Pyroxmangite
A variety of Minerals

What is Pyroxmangite?
Pyroxmangite has the general chemical formula of MnSiO3. It is the high-pressure, low-temperature dimorph of rhodonite. It was first described in 1913 and named for the mineral group, pyroxenes, and is known as the manganese member. It forms a series with pyroxferroite. Pyroxmangite occurs in metamorphosed ore deposits rich in manganese. Associated minerals include spessartine, tephroite, alleghanyite, hausmannite, pyrophanite, alabandite, rhodonite and rhodochrosite.
Optical Properties
- Refractive Index
- 1.735-1.756
- Birefringence
- 0.017-0.019
- Optical Character
- Biaxial positive
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Pyroxmangite Localities Map
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Quick Facts
Physical Properties
- Color
- Pink, red, brown
- Hardness (Mohs)
- 5.5 - 6
- Density
- 3.75 g/cm³
- Streak
- Colorless
Chemical Properties
- Chemical Formula
- MnSiO3
- Elements
- Mn, O, Si

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