Goldmanite
Ca3V3+2(SiO4)3IMA symbol: Glmapproved
Goldmanite is a silicate mineral with the formula Ca3V3+2(SiO4)3, crystallizing in the cubic system. It has a calculated density of 3.716 g/cm3. Its streak is white.
Photos



Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
|---|---|
| Space group | I a -3 d |
| Cell (Å, °) | a = 12.0276, b = 12.0276, c = 12.0276; α = 90, β = 90, γ = 90 |
| Cell volume | 1739.95 ų, Z = 8 |
| Axial ratios | 1.0000:1:1.0000calculated from COD 9014487 |
| Source structure | COD 9014487 (American Mineralogist, 2011) — 1 of 5 structures |
Powder X-ray diffraction (calculated)
| d (Å) | 2.689 | 1.607 | 3.007 | 2.455 | 1.668 | 1.951 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 70 | 57.5 | 48.4 | 29.1 | 23.4 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9014487; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 3.716 g/cm³calculated from COD 9014487 |
|---|---|
| Streak | whitesingle sourceWikidata (CC0) |
Classification
| Nickel-Strunz (10th) | 9.AD.25Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 9.AD.25Wikidata (CC0) |
| Dana (8th) | 51.4.3b.4Wikidata (CC0) |