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
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Pyroxmangite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Pyroxmangite Localities Map
See where Pyroxmangite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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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Pyroxmangite FAQs
How do I identify Pyroxmangite?
Pyroxmangite can be identified by its hardness of 5.5 - 6 on the Mohs scale, Pink color. Look for these key characteristics when examining specimens.
What color is Pyroxmangite?
Pyroxmangite typically appears in Pink, red, brown. Color can vary depending on impurities and formation conditions.
How hard is Pyroxmangite?
Pyroxmangite has a hardness of 5.5 - 6 on the Mohs scale. This gives it moderate hardness.
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