The name Quartz has a Slavic root meaning hard
rock crystal quartz: its name comes from the Greek word ice. It is colorless quartz and has many mines
rock crystal quartz: its name comes from the Greek word ice. It is colorless quartz and has many mines
Rutilated quartz: This gem is also known as rutile in quartz.
Amethyst:
The name comes from the Greek word meaning vigilant, from purple to violet
The amethyst color factor is due to the presence of iron and irradiation.
Amethyst is weak against high heat.
Amethyst mines: Brazil (main source), India, Namibia, Sri Lanka, Uruguay, Zambia and the US
The name comes from the Greek word meaning vigilant, from purple to violet
The amethyst color factor is due to the presence of iron and irradiation.
Amethyst is weak against high heat.
Amethyst mines: Brazil (main source), India, Namibia, Sri Lanka, Uruguay, Zambia and the US
citrine:
The citrus name for citrus is citron. Which is a fruit close to lemon.
Citrine color is pale yellow to brownish yellow. Natural citrin is of good quality rare and most of the citrin in the market is the result of amethyst and quartz smoked treatment.
Natural cysts are often pale yellow. Heat-treated citruses are often red in color
The color factor in citrin is often due to the presence of Fe 3+
Brazil, Bolivia and Spain are sources of this gem.
Are. Color zoning and dust like are common impurities in Citrine
ametrine:
This quartz is a combination of amethyst and citrin
Natural quality samples are scarce Brazil and Bolivia are its sources
This quartz is a combination of amethyst and citrin
Natural quality samples are scarce Brazil and Bolivia are its sources
Rose Quartz:
Its coloring agent is often manganese and in some cases irradiation
Often found in semi-transparent and unclean, transparent and good-looking specimens have little color
Its coloring agent is often manganese and in some cases irradiation
Often found in semi-transparent and unclean, transparent and good-looking specimens have little color
This gem also has a star phenomenon due to the presence of rutile needle crystals.
Brazil, Madagascar, India Namibia and Sri Lanka are its main sources
Brazil, Madagascar, India Namibia and Sri Lanka are its main sources
smoky Quartz
Its color factor is due to the presence of a color center with aluminum
Quartz is called the very dark morion, and Kazakhstan and Scotland are mines.
Its main mines are Brazil, Madagascar, Scotland, the United States and Switzerland
Its color factor is due to the presence of a color center with aluminum
Quartz is called the very dark morion, and Kazakhstan and Scotland are mines.
Its main mines are Brazil, Madagascar, Scotland, the United States and Switzerland
milky quartz
This type of quartz is due to high impurities such as semi-transparent liquid and gas to near opaque.
Brazil, Madagascar and Namibia are mines
This type of quartz is due to high impurities such as semi-transparent liquid and gas to near opaque.
Brazil, Madagascar and Namibia are mines
Aventurine:
Can be seen in different colors. Its green, orange and reddish colors are the most notable
Green is due to the presence of green fuchsite mica and its orange-brown color is due to hematite and pyrite and sometimes goethite. Brazil, India, Australia and Russia are its sources
Can be seen in different colors. Its green, orange and reddish colors are the most notable
Green is due to the presence of green fuchsite mica and its orange-brown color is due to hematite and pyrite and sometimes goethite. Brazil, India, Australia and Russia are its sources
tiger’s eye :
Its color is golden yellow and brown due to the presence of iron oxide and the appearance of this silky gem.
One feature of this gem is that even if it does not have a cabochon, it will show up.
Main mines: South Africa, Sri Lanka, India
Its color is golden yellow and brown due to the presence of iron oxide and the appearance of this silky gem.
One feature of this gem is that even if it does not have a cabochon, it will show up.
Main mines: South Africa, Sri Lanka, India
Hawk's eye: Known as the hawk's eye, its background is dark and grayish blue. This type of quartz contains crocidolite
Cat's eye quartz:
It is a type of quartz that has a chatoyancy phenomenon and must have a cabochon to show it.
This phenomenon is due to the presence of asbestos fibers in greenish colors and rutile in yellowish colors.
It is a type of quartz that has a chatoyancy phenomenon and must have a cabochon to show it.
This phenomenon is due to the presence of asbestos fibers in greenish colors and rutile in yellowish colors.
India and Sri Lanka are its main sources.
An article by Nima Monzavi (Gemologist)
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