Shattuckite Cu5 (SiO3 )4 (OH)2 IMA symbol: Sha redefined
Shattuckite is a silicate mineral with the formula Cu5(SiO3)4(OH)2, crystallizing in the orthorhombic system. It has a calculated density of 4.13 g/cm3. Its streak is blue.
Crystallography Crystal system orthorhombic crystal systemWikidata (CC0) Space group P c a b Cell (Å, °) a = 9.885, b = 19.832, c = 5.3825; α = 90, β = 90, γ = 90 Cell volume 1055.18 ų, Z = 4 Axial ratios 0.4984:1:0.2714calculated from COD 9000567 Source structure COD 9000567 (American Mineralogist, 1977) — 1 of 2 structures
Powder X-ray diffraction (calculated) 2θ (degrees, Cu Kα1) I/I₀ (max 100) d (Å) 4.432 2.365 3.5 2.782 4.958 2.586 I/I₀ 100 90.8 79.8 77.2 73.7 63.1
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9000567; idealized occupancies, no preferred orientation.
Physical properties Density (calculated) 4.13 g/cm³calculated from COD 9000567 Streak bluesingle source Wikidata (CC0)
Chemistry (calculated) Molecular weight 656.08 g/molcalculated from the IMA formula Composition (wt%) Cu 48.43%, Si 17.12%, O 34.14%, H 0.31%
Classification Nickel-Strunz (10th) 9.DB.40Wikidata (CC0) Nickel-Strunz (9th) 9.DB.40Wikidata (CC0)