Mineral Factbook

Kinoite

Ca2Cu2Si3O10·2H2OIMA symbol: Kinapproved

Kinoite is a silicate mineral with the formula Ca2Cu2Si3O10·2H2O, crystallizing in the monoclinic system. It has a calculated density of 3.197 g/cm3.

Photos

Kinoite specimen photo
Didier Descouens · CC BY-SA 4.0 · Commons
Kinoite specimen photo
Didier Descouens · CC BY-SA 3.0 · Commons
Kinoite specimen photo
Didier Descouens · CC BY-SA 3.0 · Commons
Kinoite specimen photo
Didier Descouens · CC BY-SA 3.0 · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 21/m 1
Cell (Å, °)a = 6.991, b = 12.884, c = 5.655; α = 90, β = 96.18, γ = 90
Cell volume506.397 ų, Z = 2
Axial ratios0.5426:1:0.4389calculated from COD 9000217
Source structureCOD 9000217 (American Mineralogist, 1971)

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)3.0594.7256.4422.1183.1462.317
I/I₀10085.471.551.84137.7

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9000217; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)3.197 g/cm³calculated from COD 9000217

Chemistry (calculated)

Molecular weight487.53 g/molcalculated from the IMA formula
Composition (wt%)Ca 16.44%, Cu 26.07%, Si 17.28%, O 39.38%, H 0.83%

Classification

Nickel-Strunz (10th)9.BH.10Wikidata (CC0)
Nickel-Strunz (9th)9.BH.10Wikidata (CC0)
Dana (8th)57.1.2.1Wikidata (CC0)