Mineral Factbook

Yugawaralite

Ca(Si6Al2)O16·4H2OIMA symbol: Yugapproved

Yugawaralite is a silicate mineral with the formula Ca(Si6Al2)O16·4H2O, crystallizing in the monoclinic system. It has a calculated density of 2.203 g/cm3.

Photos

Yugawaralite specimen photo
Chris857 · CC BY-SA 3.0 · Commons
Yugawaralite specimen photo
Oceancetaceen Alice Chodura · CC BY-SA 3.0 · Commons
Yugawaralite specimen photo
掬茶 · CC BY-SA 4.0 · Commons
Yugawaralite specimen photo
Michel Poullaouec · Public domain · Commons

Crystallography

Crystal systemmonoclinic crystal systemWikidata (CC0)
Space groupP 1 c 1
Cell (Å, °)a = 6.732, b = 14.0157, c = 10.0607; α = 90, β = 111.189, γ = 90
Cell volume885.087 ų, Z = 2
Axial ratios0.4803:1:0.7178calculated from COD 9002538
Source structureCOD 9002538 (American Mineralogist, 2001) — 1 of 4 structures

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)3.065.8164.6484.6764.2997.008
I/I₀1008974.852.334.531.6

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9002538; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)2.203 g/cm³calculated from COD 9002538

Chemistry (calculated)

Molecular weight590.61 g/molcalculated from the IMA formula
Composition (wt%)Ca 6.79%, Si 28.53%, Al 9.14%, O 54.18%, H 1.37%

Classification

Nickel-Strunz (10th)9.GB.15Wikidata (CC0)
Nickel-Strunz (9th)9.GB.15Wikidata (CC0)
Dana (8th)77.1.7.2Wikidata (CC0)