Mineral Factbook

Ajoite

K3Cu2+20Al3Si29O76(OH)16·8H2OIMA symbol: Ajapproved

Ajoite is a silicate mineral with the formula K3Cu2+20Al3Si29O76(OH)16·8H2O, crystallizing in the triclinic system. It has a calculated density of 2.83 g/cm3.

Photos

Ajoite specimen photo
Pacific Museum of Earth from Canada · CC BY-SA 2.0 · Commons
Ajoite specimen photo
Pacific Museum of Earth from Canada · CC BY-SA 2.0 · Commons
Ajoite specimen photo
Pacific Museum of Earth from Canada · CC BY-SA 2.0 · Commons
Ajoite specimen photo
Henk Smeets – tomeikminerals.com · CC BY 4.0 · Commons

Crystallography

Crystal systemtriclinic crystal systemWikidata (CC0)
Space groupP -1
Cell (Å, °)a = 13.634, b = 13.687, c = 14.522; α = 110.833, β = 107.208, γ = 105.68
Cell volume2195.01 ų, Z = 2
Axial ratios0.9961:1:1.0610calculated from COD 9009649
Source structureCOD 9009649 (Proceedings of the National Academy of Sciences of the United States of America, 2002)

Physical properties

Density (calculated)2.83 g/cm³calculated from COD 9009649

Classification

Nickel-Strunz (10th)9.EA.70Wikidata (CC0)
Nickel-Strunz (9th)9.EA.70Wikidata (CC0)
Dana (8th)78.5.1.1Wikidata (CC0)