Otavite
Cd(CO3)IMA symbol: Otagrandfathered
Otavite is a carbonate or nitrate mineral with the formula Cd(CO3), crystallizing in the trigonal system. It has typically white or red in color, with an adamantine luster, a calculated density of 4.676 g/cm3.
Photos
Crystallography
| Crystal system | trigonal crystal systemWikidata (CC0) |
|---|---|
| Space group | R -3 c :H |
| Cell (Å, °) | a = 4.867, b = 4.867, c = 16.0787; α = 90, β = 90, γ = 120 |
| Cell volume | 329.841 ų, Z = 6 |
| Axial ratios | 1.0000:1:3.3036calculated from COD 9010205 |
| Source structure | COD 9010205 (American Mineralogist, 2007) — 1 of 13 structures |
Powder X-ray diffraction (calculated)
| d (Å) | 2.909 | 3.733 | 1.802 | 2.434 | 2.039 | 1.814 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 62.4 | 34.9 | 31.5 | 24.8 | 22.5 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9010205; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 4.676 g/cm³calculated from COD 9010205 |
|---|---|
| Color | red, whiteDana's System, 2nd Appendix (1909) |
| Luster | adamantineDana's System, 2nd Appendix (1909) |
Chemistry (calculated)
| Molecular weight | 172.42 g/molcalculated from the IMA formula |
|---|---|
| Composition (wt%) | Cd 65.2%, C 6.97%, O 27.84% |
Classification
| Nickel-Strunz (10th) | 5.AB.05Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 5.AB.05Wikidata (CC0) |