Olmiite
A variety of Minerals
What is Olmiite?
Olmiite is a relatively new mineral that is approved by IMA in 2006. Before that, the specimens from the Kalahari Manganese Field, South Africa are confused with its calcium dominant analogue poldervaartite. It shows a pale to moderate pink color, sometimes slightly brownish. Specimens showing ball-shaped or bowtie-shaped crystal clusters are highly welcomed by the collectors.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Olmiite 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.
Olmiite Localities Map
See where Olmiite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale to intense reddish pink
- Hardness (Mohs)
- 5 - 5.5
- Density
- 3.102 g/cm³
- Streak
- White
- Luster
- Vitreous
- Crystal System
- Orthorhombic
Chemical Properties
- Chemical Formula
- CaMn2+SiO3(OH)
- Elements
- Ca, H, Mn, O, Si
Also Known As
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Olmiite FAQs
How do I identify Olmiite?
Olmiite can be identified by its hardness of 5 - 5.5 on the Mohs scale, Pale to intense reddish pink color, Vitreous luster, Orthorhombic crystal system. Look for these key characteristics when examining specimens.
What color is Olmiite?
Olmiite typically appears in Pale to intense reddish pink. Color can vary depending on impurities and formation conditions.
How hard is Olmiite?
Olmiite has a hardness of 5 - 5.5 on the Mohs scale. This gives it moderate hardness.
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