Mineral Factbook

Charlesite

Ca₆Al₂(SO₄)₂B(OH)₄(OH,O)₁₂·₂₆H₂OIMA symbol: Chrlapproved

Charlesite is a sulfate mineral with the formula Ca6Al2(SO4)2B(OH)4(OH,O)12·26H2O, crystallizing in the trigonal system. Its streak is white.

Photos

Charlesite specimen photo — Didier Descouens · CC BY-SA 3.0 · Commons

Charlesite specimen photo — Didier Descouens · CC BY-SA 3.0 · Commons

Charlesite specimen photo — Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Charlesite specimen photo — Robert M. Lavinsky · CC BY-SA 3.0 · Commons

Physical properties

Streak	whitesingle sourceWikidata (CC0)

Classification

Nickel-Strunz (10th)	7.DG.15Wikidata (CC0)
Nickel-Strunz (9th)	7.DG.15Wikidata (CC0)
Dana (8th)	32.4.4.1Wikidata (CC0)