Pyroxmangite
Mineral MnSiO3
About it
Pink to red manganese silicate that looks just like rhodonite and needs a lab test to tell apart; Broken Hill, Australia, and mines in Japan's Aichi Prefecture.
- Type
- Mineral
- Group
- Silicate (inosilicate), pyroxmangite group
- Formula
- MnSiO3
- Hardness (Mohs)
- 5.5–6
- Specific gravity
- 3.61–3.8
- Streak
- white
- Lustre
- pearly, vitreous (glassy)
- Crystal system
- Triclinic
- Colours
- pink, red, brown, black
- Transparency
- transparent, translucent
- Cleavage and fracture
- perfect in two directions at nearly 90°
Typical values: real specimens vary. For more, see mindat.org.