Olivine
(Mg,Fe)2SiO4
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Olivine is a group of silicate minerals common in Earth's mantle and in mafic and ultramafic igneous rocks. The gem variety is called peridot. Olivine is one of the first minerals to crystallize from a cooling basaltic magma.
| Système Cristallin | Orthorhombic |
| Classe Minérale | 09 Silicates |
| Dureté Mohs | 6.5-7.0 |
| Densité | 3.22-4.39 |
| Couleur | Green, yellow-green, olive green |
| Éclat | Vitreous |
| Trait | Colorless |
| Clivage | Poor |
| Cassure | Conchoidal |
| Transparence | Transparent |
| Habitus Cristallin | Granular, prismatic |
Dureté Mohs
Mohs Hardness: 6,5 – 7,0
1 Soft10 Hard
Système Cristallin
OrthorhombicExplore on Science FYI
Frequently Asked Questions
What is the hardness of Olivine?
Olivine has a Mohs hardness of 6.5-7.0.
What crystal system does Olivine belong to?
Olivine crystallizes in the Orthorhombic crystal system.
What color is Olivine?
Olivine is typically Green, yellow-green, olive green.
What type of luster does Olivine have?
Olivine exhibits a Vitreous luster.
What is the chemical formula of Olivine?
The chemical formula of Olivine is (Mg,Fe)2SiO4.