Priceite
Mineral Ca2B5O7(OH)5·H2O
Also called Pandermite
About it
Chalky white, compact nodules with a fine texture, from borate deposits in Oregon and at Sultançayır, Turkey, where it was called pandermite.
- Type
- Mineral
- Group
- Borate
- Formula
- Ca2B5O7(OH)5·H2O
- Hardness (Mohs)
- 3–3.5
- Specific gravity
- 2.42
- Streak
- white
- Lustre
- earthy, dull
- Crystal system
- Monoclinic
- Colours
- white
- Transparency
- opaque
Typical values: real specimens vary. For more, see mindat.org.