Mineral Factbook

Reidite

Zr(SiO4)IMA symbol: Reiapproved

Reidite is a silicate mineral with the formula Zr(SiO4), crystallizing in the tetragonal system. It has a calculated density of 5.169 g/cm3. Its streak is white.

Crystallography

Crystal systemtetragonal crystal systemWikidata (CC0)
Space groupI 41/a
Cell (Å, °)a = 4.734, b = 4.734, c = 10.51; α = 90, β = 90, γ = 90
Cell volume235.537 ų, Z = 4
Axial ratios1.0000:1:2.2201calculated from COD 1549090
Source structureCOD 1549090 (Journal of Physics and Chemistry of Solids, 1986)

Powder X-ray diffraction (calculated)

2θ (degrees, Cu Kα1)I/I₀ (max 100)
d (Å)2.8234.3161.441.7592.0751.552
I/I₀10041.230.528.421.318.5

xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 1549090; idealized occupancies, no preferred orientation.

Physical properties

Density (calculated)5.169 g/cm³calculated from COD 1549090
Streak
whitesingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight183.31 g/molcalculated from the IMA formula
Composition (wt%)Zr 49.77%, Si 15.32%, O 34.91%

Classification

Nickel-Strunz (10th)9.AD.45Wikidata (CC0)
Nickel-Strunz (9th)9.AD.45Wikidata (CC0)
Dana (8th)51.5.6.1Wikidata (CC0)