Garnet (Almandine)
Fe3Al2(SiO4)3
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Almandine is the most common garnet species and a key metamorphic indicator mineral. The garnet group includes pyrope, grossular, andradite, spessartine, and uvarovite. Garnets are widely used as gemstones and abrasives.
| 晶系 | Cubic (Isometric) |
| 矿物分类 | 09 Silicates |
| 莫氏硬度 | 6.5-7.5 |
| 比重 | 3.93-4.32 |
| 颜色 | Deep red, reddish-brown, black |
| 光泽 | Vitreous |
| 条痕色 | Colorless |
| 解理 | None |
| 断口 | Conchoidal to uneven |
| 透明度 | Transparent |
| 晶体习性 | Dodecahedral, trapezohedral |
莫氏硬度
Mohs Hardness: 6.5 – 7.5
1 Soft10 Hard
晶系
Cubic (Isometric)Frequently Asked Questions
What is the hardness of Garnet (Almandine)?
Garnet (Almandine) has a Mohs hardness of 6.5-7.5.
What crystal system does Garnet (Almandine) belong to?
Garnet (Almandine) crystallizes in the Cubic (Isometric) crystal system.
What color is Garnet (Almandine)?
Garnet (Almandine) is typically Deep red, reddish-brown, black.
What type of luster does Garnet (Almandine) have?
Garnet (Almandine) exhibits a Vitreous luster.
What is the chemical formula of Garnet (Almandine)?
The chemical formula of Garnet (Almandine) is Fe3Al2(SiO4)3.