Calderite
Mn2+3Fe3+2(SiO4)3IMA symbol: Cdrgrandfathered
Calderite is a silicate mineral with the formula Mn2+3Fe3+2(SiO4)3, crystallizing in the cubic system. It has a calculated density of 4.437 g/cm3. Its streak is white.
Photos
Crystallography
| Crystal system | cubic crystal systemWikidata (CC0) |
|---|---|
| Space group | I a -3 d |
| Cell (Å, °) | a = 11.8288, b = 11.8288, c = 11.8288; α = 90, β = 90, γ = 90 |
| Cell volume | 1655.09 ų, Z = 8 |
| Axial ratios | 1.0000:1:1.0000calculated from COD 9015396 |
| Source structure | COD 9015396 (American Mineralogist, 1996) |
Powder X-ray diffraction (calculated)
| d (Å) | 2.645 | 1.581 | 2.415 | 2.957 | 1.64 | 1.919 |
|---|---|---|---|---|---|---|
| I/I₀ | 100 | 75.7 | 68.9 | 63 | 32.4 | 24 |
xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9015396; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 4.437 g/cm³calculated from COD 9015396 |
|---|---|
| Streak | whitesingle sourceWikidata (CC0) |
Classification
| Nickel-Strunz (10th) | 9.AD.25Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 9.AD.25Wikidata (CC0) |
| Dana (8th) | 51.4.3a.6Wikidata (CC0) |