
Company Information
Ask for more detail from the seller
Contact Supplier| Chemical Classification | Silicate |
|---|---|
| Color | Quartz occurs in virtually every color. Common colors are clear, white, gray, purple, yellow, brown, black, pink, green, red. |
| Streak | colorless (harder than the streak plate) |
| Luster | vitreous |
| Diaphaneity | transparent to translucent |
| Cleavage | none - typically breaks with a conchoidal fracture |
| Mohs Hardness | 7 |
| Specific Gravity | 2.6 to 2.7 |
| Diagnostic Properties | conchoidal fracture, glassy luster, hardness |
| Chemical Composition | SiO2 |
| Crystal System | hexagonal |
| Uses | glass making, abrasive, foundry sand, hydraulic fracturing proppant, gemstones |