Meyerhofferite
Mineral Ca2B6O6(OH)10·2H2O
About it
Colourless prisms and white pseudomorphs after inyoite in desert borate deposits, notably in Death Valley, California. Named for German chemist Wilhelm Meyerhoffer.
- Type
- Mineral
- Group
- Borate
- Formula
- Ca2B6O6(OH)10·2H2O
- Hardness (Mohs)
- 2
- Specific gravity
- 2.12
- Streak
- white
- Lustre
- vitreous (glassy), silky
- Crystal system
- Triclinic
- Colours
- colourless, white
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect in one direction
Typical values: real specimens vary. For more, see mindat.org.