Mineral Factbook

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

Goldmanite specimen photo
Jyrki Autio · Public domain · Commons
Goldmanite specimen photo
David Hospital · CC BY-SA 4.0 · Commons
Goldmanite specimen photo
Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemcubic crystal systemWikidata (CC0)
Space groupI a -3 d
Cell (Å, °)a = 12.0276, b = 12.0276, c = 12.0276; α = 90, β = 90, γ = 90
Cell volume1739.95 ų, Z = 8
Axial ratios1.0000:1:1.0000calculated from COD 9014487
Source structureCOD 9014487 (American Mineralogist, 2011) — 1 of 5 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)2.6891.6073.0072.4551.6681.951
I/I₀1007057.548.429.123.4

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)