God for us to design products, we are the porters of nature!
| Augite | |
Chemical Formula |
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 |
Species |
Silicates |
Crystal System |
Monoclinic |
Mohs Scale |
5-6 |
Specific Gravity |
3.19-3.56 |
Color |
Black, brown, greenish, Purple-brown; in thin section, colorless to gray with zoning common |
Streak |
Greenish-white |
Luster |
Vitreous, Resinous, Dull |
Refractive Index |
n = 1.680 - 1.735 n = 1.684 - 1.741 n = 1.706 - 1.774 |
Diaphaneity |
Translucent, Opaque |
Cleavage |
Distinct/GoodGood on |
Fracture |
Irregular/Uneven, Sub-Conchoidal |
| Crystal Habit：Commonly as stubby prismatic crystals, also acicular, skeletal, dendritic | |
| Geological Setting：Major rock forming mineral in mafic igneous rocks, ultramafic rocks and some high grade metamorphic rocks. | |
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