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Olivine
Olivine has got the chemical formula (Mg, Fe)2[SiO4] and so it is a silicate. It has got a hardness of 6.5 to 7 and it crystallizes in the rhombical system. The density is between 3.27 g/cm3 and 4.20 g/cm3 and the reason for this big difference is that the parts of magnesium and iron differ. Other names for olivine are peridot and chrysolite. Olivine is green. In nature olivine can be found in form of crystals or in form of irregular pieces. The crystals are often wide and short. Mostly olivine is transparent. Jewels are made of good olivines. Olivines can be found in Burma, in Egypt, in Brazil, in the Czech Republic and on the Canary Islands.
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Data about Olivine
| | Chemical formula |
(Mg, Fe)2[SiO4] |
|---|
| Mineral class |
silicates |
|---|
| Crystal system |
rhombical |
|---|
| Hardness |
6.5 to 7 |
|---|
| Density |
3.27 g/cm3 to 4.20 g/cm3 |
|---|
| Color |
green |
|---|
| Line color |
white |
|---|
| Gloss |
glass gloss |
|---|
| Break |
shell |
|---|
| Fissileness |
good |
|---|
Author and Webmaster: Lukas Czarnecki
If you have got questions about Olivine you can send me an e-mail under the following adress:
webmaster@hpwt.de
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Last Update: 21.01.2006