Mineral Factbook

Canasite

K₃Na₃Ca₅Si₁₂O₃₀(OH)₄IMA symbol: Cnsapproved

Canasite is a silicate mineral with the formula K3Na3Ca5Si12O30(OH)4. It has a calculated density of 2.69 g/cm3.

Photos

Canasite specimen photo — Leon Hupperichs · CC BY-SA 3.0 · Commons

Crystallography

Space group	C 1 m 1
Cell (Å, °)	a = 18.846, b = 7.242, c = 12.65; α = 90, β = 111.84, γ = 90
Cell volume	1602.59 Å³, Z = 2
Axial ratios	2.6023:1:1.7468calculated from COD 9012753
Source structure	COD 9012753 (Doklady Chemistry, 2003)

Physical properties

Density (calculated)	2.69 g/cm³calculated from COD 9012753

Chemistry (calculated)

Molecular weight	1271.69 g/molcalculated from the IMA formula
Composition (wt%)	K 9.22%, Na 5.42%, Ca 15.76%, Si 26.5%, O 42.78%, H 0.32%

Classification

Nickel-Strunz (10th)	9.DG.80Wikidata (CC0)
Nickel-Strunz (9th)	9.DG.80Wikidata (CC0)
Dana (8th)	78.5.4.1Wikidata (CC0)