Connellite
Cu36(SO4)(OH)62Cl8·6H2OIMA symbol: Cnlgrandfathered
Connellite is a halide mineral with the formula Cu36(SO4)(OH)62Cl8·6H2O, crystallizing in the hexagonal system. It has a Mohs hardness of 3, typically blue or green in color, with a vitreous luster, a specific gravity of 3.907. Its streak is blue or green.
Photos
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Crystallography
| Crystal system | hexagonal crystal systemWikidata (CC0) |
|---|---|
| Space group | P 63/m m c |
| Cell (Å, °) | a = 15.7866, b = 15.7866, c = 9.1015; α = 90, β = 90, γ = 120 |
| Cell volume | 1964.36 ų, Z = 2 |
| Axial ratios | 1.0000:1:0.5765calculated from COD 9009997 |
| Source structure | COD 9009997 (Axis, 2006) — 1 of 2 structures |
Physical properties
| Density (calculated) | 1.629 g/cm³calculated from COD 9009997 |
|---|---|
| Hardness (Mohs) | 3single sourceDana, System of Mineralogy, 6th ed. (1892) |
| Specific gravity | 3.907 g/cm3single sourceFord, Dana's Textbook of Mineralogy, 3rd ed. (1922) |
| Color | blue, greensingle sourceDana, System of Mineralogy, 6th ed. (1892) |
| Streak | blue, greenDana, System of Mineralogy, 6th ed. (1892) |
| Luster | vitreoussingle sourceDana, System of Mineralogy, 6th ed. (1892) |
Chemistry (calculated)
| Molecular weight | 3829.89 g/molcalculated from the IMA formula |
|---|---|
| Composition (wt%) | Cu 59.73%, S 0.84%, O 30.08%, H 1.95%, Cl 7.41% |
Classification
| Nickel-Strunz (10th) | 3.DA.25Wikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 3.DA.25Wikidata (CC0) |
| Dana (8th) | 31.01.01.01Wikidata (CC0) |