Cylindrite
FePb3Sn4Sb2S14IMA symbol: Cygrandfathered
Cylindrite is a sulfide or sulfosalt mineral with the formula FePb3Sn4Sb2S14, crystallizing in the triclinic system. It has a Mohs hardness of 1-2, typically white, brown, gray or yellow in color, with an adamantine luster, a specific gravity of 6.482. Its streak is white or yellow.
Photos
Physical properties
| Hardness (Mohs) | 1-2single sourceFord, Dana's Textbook of Mineralogy, 3rd ed. (1922) |
|---|---|
| Specific gravity | 6.482 g/cm3single sourceFord, Dana's Textbook of Mineralogy, 3rd ed. (1922) |
| Color | brown, gray, white, yellowsingle sourceFord, Dana's Textbook of Mineralogy, 3rd ed. (1922) |
| Streak | blacksingle sourceWikidata (CC0) white, yellowsingle sourceFord, Dana's Textbook of Mineralogy, 3rd ed. (1922) |
| Luster | adamantinesingle sourceFord, Dana's Textbook of Mineralogy, 3rd ed. (1922) |
Chemistry (calculated)
| Molecular weight | 1844.71 g/molcalculated from the IMA formula |
|---|---|
| Composition (wt%) | Fe 3.03%, Pb 33.7%, Sn 25.74%, Sb 13.2%, S 24.33% |
Classification
| Nickel-Strunz (10th) | 2.HF.25aWikidata (CC0) |
|---|---|
| Nickel-Strunz (9th) | 2.HF.25aWikidata (CC0) |