Grossular
Ca3Al2(SiO4)3IMA symbol: Grsapproved
Grossular is a silicate mineral with the formula Ca3Al2(SiO4)3, crystallizing in the cubic system.
Photos
Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
|---|---|
| Space group | I a -3 d |
| Cell (Å, °) | a = 11.8436, b = 11.8436, c = 11.8436; α = 90, β = 90, γ = 90 |
| Cell volume | 1661.31 ų, Z = 8 |
| Source structure | COD 9017181 (The Canadian Mineralogist, 2013) — 1 of 46 structures |
Physical properties
Chemistry (calculated)
| Molecular weight | 450.45 g/molcalculated from the IMA formula |
|---|---|
| Composition (wt%) | Ca 26.69%, Al 11.98%, Si 18.71%, O 42.62% |
Classification
| Nickel-Strunz (10th) | 9.AD.25Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 9.AD.25Wikidata (CC0) |
| Dana (8th) | 51.4.3b.2Wikidata (CC0) |