Astrophyllite
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Physical & Optical Properties
Mohs Hardness
| Mohs | Reference mineral | Astrophyllite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | ● |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Where to Buy Astrophyllite
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About Astrophyllite
Astrophyllite is a rare titanium potassium silicate mineral that forms spectacular bronzy gold to copper-colored bladed crystal sprays within granite, creating a starburst appearance that gives the mineral its name (Greek: 'star leaf'). Fine specimens from Kola Peninsula, Russia, and Greenland are highly prized by collectors and are used in cabochons that display a shimmering, metallic asterism of radiating blades. Its warm, metallic luster and unique crystal habit make it instantly recognizable.