IMA mineral species

Tyretskite

Ca₂B₅O₉OH·H₂O

Borate mineral.

Tyretskite specimen
Tyretskite.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₂B₅O₉OH·H₂O
ElementsCa, B, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolTyr
Nickel–Strunz class6.ED.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.