God for us to design products, we are the porters of nature!
| Andesine | |
Chemical Formula |
(Ca,Na)(Al,Si)4O8, where Ca/(Ca + Na) is between 30%-50% |
Species |
Silicates |
Crystal System |
Triclinic |
Mohs Scale |
6 |
Specific Gravity |
2.66-2.68 |
Color |
White, gray, green, yellow, flesh-red |
Streak |
White |
Luster |
Sub-Vitreous, Pearly |
Refractive Index |
n = 1.543 - 1.554 n = 1.547 - 1.559 n = 1.552 - 1.562 |
Diaphaneity |
Transparent, Translucent |
Cleavage |
PerfectPerfect on , less perfect on ; also observed. |
Fracture |
Irregular/Uneven, Conchoidal |
| Crystal Habit：Crystals rare, to 2 cm; commonly massive or granular | |
| Geological Setting：Widespread in igneous rocks of intermediate silica content, as syenites and andesites. Characteristic of granulite to amphibolite facies metamorphism, commonly as antiperthite; as detrital grains in sedimentary rocks. | |
 |
 |
 |
 |
 |
 |
 |
 |
YueGongAnBei 44051102000467
| 
