Glaucochroite
A variety of Minerals
What is Glaucochroite?
Glaucochroite is a calcium manganese nesosilicate mineral with formula: CaMnSiO4. It occurs in metamorphosed limestones. It was first described in 1899 in Franklin Furnace, Sussex County, New Jersey.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Glaucochroite 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.
Glaucochroite Localities Map
See where Glaucochroite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Bluish-gray, pink, brown, or white.
- Hardness (Mohs)
- 6
- Density
- 3.465 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CaMn2+SiO4
- Elements
- Ca, Mn, O, Si
Also Known As
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Glaucochroite FAQs
How do I identify Glaucochroite?
Glaucochroite can be identified by its hardness of 6 on the Mohs scale, Bluish-gray color. Look for these key characteristics when examining specimens.
What color is Glaucochroite?
Glaucochroite typically appears in Bluish-gray, pink, brown, or white.. Color can vary depending on impurities and formation conditions.
How hard is Glaucochroite?
Glaucochroite has a hardness of 6 on the Mohs scale. This gives it moderate hardness.
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