IMA mineral species
Pentahydroborite
CaB₂O(OH)₆ * 2H₂O
Borate mineral.
Properties
| Chemical formula | CaB₂O(OH)₆ * 2H₂O |
|---|---|
| Elements | Ca, B, O, H |
| Crystal system | Triclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Phb |
| Nickel–Strunz class | 6.BB.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Novofrolovskoye boron-copper deposit, Russia
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
Learn more
- Pentahydroborite on Mindat.org
- Wikidata item Q3899233 (source of this page's data – you can correct it there)
IMA mineral species
Triclinic