What is the chemical formula for Amethyst?
Amethyst Violet
- 1 Structures
- 2 Names and Identifiers. Computed by Lexichem TK 2.7.0 (PubChem release 2021.05.07) Computed by InChI 1.0.6 (PubChem release 2021.05.07)
- 3 Chemical and Physical Properties. ...
- 4 Spectral Information. ...
- 6 Chemical Vendors
- 7 Literature
- 8 Patents
- 9 Biological Test Results
- 10 Classification
- 11 Information Sources
What are the healing properties of Amethyst?
- A cleaning of energy in a specific location or individual. ...
- A movement toward emotional harmony and serenity in general. ...
- An opening of the heart chakra (the body’s fourth energy center), allowing a person to more easily provide and embrace love, compassion, and loving thoughts. ...
- Dreaming in lucidity! ...
What are facts about Amethyst?
GEMOLOGICAL PROPERTIES OF AMETHYST
- Color Purple (sometimes Green)
- Family Quartz
- Mohs Scale Hardness 7
- Specific Gravity 2.65
- Refractive Index 1.532 - 1.554
- Lustre Vitreous
- Crystal System Trigonal
- Transparency Transparent to translucent
- Chemical Formula SiO2
- Composition Silicon Dioxide
Is Amethyst good for healing?
Amethyst is a natural cleanser and enhancer of energy, making it a good choice for use in crystal healing. It is said to be helpful for issues related to the mind, emotions, and spirit. Well known as a natural stone Amethyst can cleanse and enhance energy in an environment or on someone's body.
What minerals make up amethyst?
amethyst, a transparent, coarse-grained variety of the silica mineral quartz that is valued as a semiprecious gem for its violet colour.
What element makes amethyst purple?
The amethyst is a transparent, coarse-grained, purple variety of quartz (SiO2) and has long been the most important quartz variety used in jewelry. The presence of manganese in quartz produces its characteristic purple color, and additional iron content varies the coloration.
What are the chemical properties of amethyst?
The physical properties of amethyst are almost identical to the physical properties of other color varieties of quartz....Physical Properties of AmethystChemical ClassificationSilicateSpecific Gravity2.6 to 2.7Diagnostic PropertiesConchoidal fracture, glassy luster, hardness, purple colorChemical CompositionSiO28 more rows
Where is amethyst most commonly found?
One of the largest amethyst deposits in the world were discovered in the 19th century in Brazil which subsequently caused amethyst to lose its status as one of the most valuable gemstones, and today Brazil is still the largest global producer. Many amethyst deposits in Brazil and Uruguay are in geode formations.
Is amethyst just purple quartz?
At its most basic, amethyst is simply purple quartz (silicon dioxide). Like many minerals, quartz comes in a wide variety of colors, but amethyst is the most valuable of them.
Is amethyst a mineral or rock?
Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety. Its name derives from the Greek "amethystos", which means "not drunken", as Amethyst in antiquity was thought to ward off drunkenness.
What is the chemical composition of gemstones?
Artificial ruby, for example, is often natural red spinel, and most synthetic blue sapphires on the market are actually blue spinel. A handful of a variety of gemstones....Some Important Gemstones.Mohs' HARDNESS SCALEMineralChemical CompositionHardnessQuartzSiO 27TopazAl 2 SiO 4 F 28CorundumAl 2 O 397 more rows
What is the chemical composition of quartz?
Quartz is our most common mineral. Quartz is made of the two most abundant chemical elements on Earth: oxygen and silicon. Atoms of oxygen and silicon join together as tetrahedrons (three sided pyramids). These stack together to build crystals.
What impurity makes amethyst purple?
iron impuritiesAmethyst is a purple quartz type (SiO2) and owes its violet color to irradiation, iron impurities and, in some cases, other transition metals, and the presence of other trace elements resulting in complex crystal lattice substitutions.
Is amethyst radioactive?
Smoky quartz and amethyst, violet fluorite, blue salt, yellow sapphires and green diamonds, they all get their color from the influence of natural radioactivity. The source of radiation can be the surrounding rock, and in rare cases, even cosmic radiation.
Can gold be found in amethyst?
In its original form, gold appears in igneous volcanic hydrothermal (hot water) veins where it is deposited along with quartz, amethyst, other minerals and heavy metal ores. The “Mother Lode” of gold in California is a region crisscrossed by many such quartz-and-gold-filled hydrothermal veins.
Why is my amethyst turning GREY?
If you leave your amethyst in sunlight or under other UV sources for too long, its color will fade. And if you expose amethyst to heat, you'll see the color fade as well. Sometimes, instead of gray or clear crystal, you'll end up with vivid yellows that look a lot like citrine.
What is the color of amethyst?
by Ritika Changrani. Amethyst is a macro crystalline variety of Quartz with the chemical formula SiO2 (Silicon Dioxide). Mostly occurring as purple , lilac or mauve in colour, the purest form is colorless. Experts attribute the purple color of amethyst to small amounts of iron (Fe4+) impurities (approximately 40 parts per million) ...
Why is amethyst considered a jewelry gem?
Designers advocate amethyst as the chic choice for jewelry because of its regal hue, affordability, and variety in sizes, shapes and tones. Since no two amethyst crystals are alike in colour or composition, its uniqueness makes it a covetable gem.
How does amethyst turn yellow?
Heating the amethyst removes the colour or converts it to yellow Citrine, depending on the site and original oxidation state of the iron impurities present and the intensity and duration of heating. The iron impurities need to be re-oxidized to return the original colour. The process is called irradiation.
What are the two types of quartz?
Based on the size of crystals, quartz is mainly divided into two categories: macro crystalline quartz, in which the individual crystals are easily distinguishable and cryptocrystalline quartz, in which the crystals can be distinguished only under a powerful light microscope.
Why is amethyst purple?
Experts are of the opinion that the rich purple colour of the amethyst is to its high content of Iron Oxide (Fe2O3) impurities. It contains more iron than any other form of quartz. Quartz makes up about 12% of the earth’s crust, making it the single most abundant mineral on earth.
Why does amethyst not break easily?
The amethyst is sufficiently durable and can be worn confidently without worry. It does not break easily due to absence of cleavage planes. However, sharp blows must be avoided.
Is amethyst a royal gem?
Once adorned on the Crown Jewels of England, Amethyst is a royal gem – a symbol of sincerity, security, spirituality and peace of mind. A purple variety of quartz, amethyst is a semi – precious yet popular gemstone. If it were not for its abundance in nature, amethyst would be very expensive.
What is the color of amethyst?
Amethyst, a transparent, coarse-grained variety of the silica mineral quartz that is valued as a semiprecious gem for its violet colour.
Where does amethyst come from?
Notable occurrences of amethyst include those in Brazil, Uruguay, Ontario, and North Carolina. The name, derived from the Greek amethystos, “not intoxicated,” expresses the ancient folk belief that the stone protects its owner against drunkenness.
What causes amethyst to turn yellow?
Other theories attribute the colour to contained manganese or hydrocarbons. Heating removes the colour from amethyst or changes it to the yellow of citrine; most commercial citrine is made in this manner. Notable occurrences of amethyst include those in Brazil, Uruguay, Ontario, and North Carolina. Amethyst.
Where in the Bible is amethyst mentioned?
Amethyst is mentioned in the Bible (Exodus 28:19; 39:12) as one of the 12 stones adorning the breastplate ( ḥoshen) of the high priests of Yahweh. Photograph by Sandy Grimm. Houston Museum of Natural Science, ED 60 Z. This article was most recently revised and updated by John P. Rafferty, Editor.
What is quartz made of?
Quartz, widely distributed mineral of many varieties that consists primarily of silica, or silicon dioxide (SiO 2 ). Minor impurities such as lithium, sodium, potassium, and titanium may be present.
Why is Amethyst called Amethyst?
Its name derives from the Greek "amethystos", which means "not drunken", as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light.
Where is amethyst found?
Very dark and clear Amethyst was once found in Russia in the Ural Mountains and Siberia; and a drusy, lilac-colored Amethyst in globular associations has recently come from Nyiri, in northeastern Hungary.
What is the color of a cactus quartz?
It is purple on top and white or clear on the bottom. It may also be banded purple and white. Ametrine. - Mixture of Amethyst and Citrine. It is partially purple and partially yellow or orange, with the color zones often sharply divided. More information can be found on the Ametrine gemstone page. Cactus Quartz.
Is amethyst a gem?
Amethyst is one of the most popular gems. It has a beautiful color and is fairly common, making it an inexpensive and widely used gem. Most Amethyst is faceted into jewelry cuts, and some are cut as cabochon s. Large, massive chunks of Amethyst banded with Quartz is sometimes carved into ornaments.
What is amethyst made of?
Amethyst is composed of an irregular superposition of alternate lamellae of right-handed and left-handed quartz. It has been shown that this structure may be due to mechanical stresses. As a consequence of this composite formation, amethyst is apt to break with a rippled fracture or to show "thumb markings," and the intersection of two sets of curved ripples may produce on the fractured surface a pattern something like that of "engine turning." Some mineralogists, following Sir David Brewster, apply the name of amethyst to all quartz which exhibits this structure, regardless of color.
Why is amethyst called methustos?
The name comes from the Greek a ("not") and methustos ("to intoxicate"), a reference to the belief that the stone protected its owner from drunkenness; the ancient Greeks and Romans wore amethyst and made drinking vessels of it in the belief that it would prevent intoxication. Additional recommended knowledge.
Are Amethyst Stones treated or enhanced?
Heat treatment is often applied to Amethysts to intensify and deepen their purple hue, with imitations and synthetics also present in the market place. Given that sometimes the cost of testing can exceed the price of the gemstone, care should be taken to buy from reputed dealers and have larger stones tested by an independent gem laboratory
Are clear Amethyst stones rare?
In short, no. On the whole, most Amethysts have quite poor clarity, with clouding from inclusions or strong bands of other minerals. This may detract from their value, but a notable and unique piece can still be crafted with the right choice of stone and precision of cut.
Where are the best Amethysts found?
Well-known sources of Amethyst tend to be in Brazil and Uruguay, with Madagascar being a close third.
What are the best cuts for Amethyst stones?
As the Amethyst is a common gemstone, you will find it in a wide variety of cuts . Usually faceted in a mized or step cut. Princess and Emerald cuts are also two increasingly popular cuts for Amethysts, but any cut that shows off the gem’s unique properties and emphasizes its clarity is worthwhile.
What is Ametrine?
Given they are both of the Quartz mineral type, color zoned Quartz crystals that are part Citrine and part Amethyst are called Ametrine. Ametrine is mostly found in Brazil and Bolivia.
Amethyst gemstone Uses, History & Mythology
Amethysts are commonly set in jewelry, particularly in ring settings and necklaces. Smaller pieces are used for earrings and body piercing jewelry. These are popular gifts to give as amethyst is the birthstone of those born in February.
What is the power of amethyst?
Amethyst is a powerful and protective stone that has a wide range of benefits. Some of the healing properties and powers of Amethyst are below: Natural tranquilizer : Amethyst relieves an individual from stress and strain, soothes irritability, balances mood swings, dispels anger, rage, fear and anxiety.
What does amethyst mean?
Amethyst Meaning. The eye-catching amethyst crystals have a long history of meanings and properties, all of which are positive, as they were known to bring forth the purest aspirations of human kind. Amethyst derives its name from the Greek word ametusthos which means ‘not intoxicated’.
Why is amethyst pointed?
As a member of the quartz family, amethyst is available in the form of natural and polished points. It appears pointed because of the cluster of crystals in it. It is common to see natural crystal points for quartz stones. These can be used as decors and ornaments which can help in balancing energy.
Why is amethyst important?
Hormone production: Amethyst plays a very important role in general metabolism especially bringing balance to the endocrine system by helping in the active production of hormones for use in the body.
What is the most powerful quartz crystal?
Amethyst is the most popular variety of quartz crystals that is considered the most powerful and protective stone. It is a semiprecious violet stone that is often used in jewelry and for healing purposes. It has been sought after throughout the ages for its stunning colors and ability to stimulate the mind and emotions.
How does amethyst help you?
Amethyst can help people emotionally, particularly those who are grieving . This crystal can help a person deal with painful experiences and personal losses. It strengthens a person by bringing emotional stability and inner strength. Using amethyst can connect one's emotional, physical, and mental aspects of a person.
Why was amethyst used in ancient times?
Amethyst was also used by soldiers during wars in ancient times due to the belief in its powerful and protective nature. Amethyst was thought to control evil thoughts, help sobriety and help overall control of one’s thoughts and mindfulness.
Overview
Structure
Amethyst is a purple variety of quartz (SiO2) and owes its violet color to irradiation, impurities of iron and in some cases other transition metals, and the presence of other trace elements, which result in complex crystal lattice substitutions. The hardness of the mineral is the same as quartz, thus making it suitable for use in jewelry.
Hue and tone
Amethyst occurs in primary hues from a light lavender or pale violet, to a deep purple. Amethyst may exhibit one or both secondary hues, red and blue. High quality amethyst can be found in Siberia, Sri Lanka, Brazil, Uruguay, and the Far East. The ideal grade is called "Deep Siberian" and has a primary purple hue of around 75–80%, with 15–20% blue and (depending on the light source) red secondary hues. ‘Rose de France’ is defined by its markedly light shade of the purple, …
Geographic distribution
Amethyst is found in many locations around the world. Between 2000 and 2010, the greatest production was from Marabá and Pau d'Arco, Pará, and the Paraná Basin, Rio Grande do Sul, Brazil; Sandoval, Santa Cruz, Bolivia; Artigas, Uruguay; Kalomo, Zambia; and Thunder Bay, Ontario. Lesser amounts are found in many other locations in Africa, Brazil, Spain, Argentina, Russia, Afghanistan, South K…
History
Amethyst was used as a gemstone by the ancient Egyptians and was largely employed in antiquity for intaglio engraved gems.
The Greeks believed amethyst gems could prevent intoxication, while medieval European soldiers wore amethyst amulets as protection in battle in the belief that amethysts heal people and keep them cool-headed. Beads of amethyst were f…
Synthetic amethyst
Synthetic (laboratory-grown) amethyst is produced by a synthesis method called hydrothermal growth, which grows the crystals inside a high-pressure autoclave.
Synthetic amethyst is made to imitate the best quality amethyst. Its chemical and physical properties are the same as that of natural amethyst and it can not be differentiated with absolute certainty without advanced gemmological testing (which is often cost-prohibitive). One test bas…
Cultural history
The Greek word "amethystos" may be translated as "not drunken", from Greek a-, "not" + methustos, "intoxicated". Amethyst was considered to be a strong antidote against drunkenness, which is why wine goblets were often carved from it. In his poem "L'Amethyste, ou les Amours de Bacchus et d'Amethyste" (Amethyst or the loves of Bacchus and Amethyste), the French poet Remy Belleau (1528–1577) invented a myth in which Bacchus, the god of intoxication, of wine, an…
Value
Until the 18th century, amethyst was included in the cardinal, or most valuable, gemstones (along with diamond, sapphire, ruby, and emerald), but since the discovery of extensive deposits in locations such as Brazil, it has lost most of its value. It is now considered a semiprecious stone.
Collectors look for depth of color; possibly with red flashes if cut conventionally. As amethyst is readily available in large structures, the value of the gem is not primarily defined by carat weight…