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 Citrine |
| Crystal structure : Rhombohedral |
Composition : Silicon dioxide |
| Specific gravity : 2.65 |
Hardness : 7 |
| Refractive index : 1.544-1.553 |
Birefringence : 0.009 |
| Variety : Quartz |
Pleochroïsm : weak (yellow, clear yellow) |
Cut :      |
Citrine takes from Latin "citrus" meaning lemon.
The most part of the citrine we find for sale are amethyst or smoky quartz which are heated !
Conversaly, it can happen that people sells citrine for topazes (qualifying them of "topaz of Bahia") what is strictly prohibited. |
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| Deposits : |
| The countries having deposits are : |
Country |
Quantity |
Quality |
Comment |
| Brazil |
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| United states |
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| Madagascar |
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| Russia |
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| Spain |
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| France |
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