Pectolite
Pectolite is a mineral with the chemical formula NaCa2Si3O8(OH). It has a Mohs hardness of 4.5 - 5 and vitreous to pearly luster.
Pectolite properties
| Type | Mineral |
|---|---|
| Chemical formula | NaCa2Si3O8(OH) |
| Mohs hardness | 4.5 - 5 |
| Luster | Vitreous to pearly |
| Typical colors | Typically white, gray, green, or blue |
| Formation | Forms in alkaline metamorphic rocks and in hydrothermal veins |
| Rarity | 6 / 10 |
Mohs hardness 4.5–5 — medium
1 · Talc5 · Apatite10 · Diamond

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