Name | feldspar |
Category | |
Formula | KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8 |
Crystal system | triclinic |
Color | pink, white, gray, brown, blue |
Streak | white |
Luster | vitreous |
Crystal habit | |
Mohs hardness | 6.0–6.5 |
Specific weight | 2.55–2.76 |
Uses | Feldspar is a common raw material used to produce glass and ceramics. To lesser extent, it is used in filters, paints, plastics, and rubber. |
Other |