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Amazonite, also known as amazonstone, is a green tectosilicate mineral, a variety of the potassium feldspar called microcline. Its chemical formula is KAlSi3O8, which is polymorphic to orthoclase.
Occurrence, Gallery & Color
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green color mineral crystal microcline county colorado peak cm variety lead mine teller size feldspar tectosilicate mountains found el paso
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Amazonite | Birefringence | −0.008 | 1.00 | infobox |
| Amazonite | Category | Tectosilicate minerals | 1.00 | infobox |
| Amazonite | Cleavage | Perfect | 1.00 | infobox |
| Amazonite | Color | Green, blue-green | 1.00 | infobox |
| Amazonite | Crystal habit | Prismatic | 1.00 | infobox |
| Amazonite | Crystal system | Triclinic | 1.00 | infobox |
| Amazonite | Diaphaneity | Translucent, opaque | 1.00 | infobox |
| Amazonite | Dispersion | None | 1.00 | infobox |
| Amazonite | Formula | KAlSi3O8 | 1.00 | infobox |
| Amazonite | Fracture | Uneven, splintery | 1.00 | infobox |
| Amazonite | Group | Feldspar group | 1.00 | infobox |
| Amazonite | IMA status | Variety of microcline | 1.00 | infobox |
| Amazonite | Luster | Vitreous | 1.00 | infobox |
| Amazonite | Mohs scale hardness | 6.0–6.5 | 1.00 | infobox |
| Amazonite | Other characteristics | Radioactive 14.05% (K) | 1.00 | infobox |
| Amazonite | Pleochroism | Absent | 1.00 | infobox |
| Amazonite | References | :214–215 | 1.00 | infobox |
| Amazonite | Refractive index | 1.522–1.530 | 1.00 | infobox |
| Amazonite | Series | Alkali feldspar series | 1.00 | infobox |
| Amazonite | Specific gravity | 2.56–2.58 | 1.00 | infobox |
| Amazonite | Streak | White | 1.00 | infobox |
| Amazonite | Tenacity | Brittle | 1.00 | infobox |
| Amazonite | Ultraviolet fluorescence | Weak; olive-green | 1.00 | infobox |
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