Spherocobaltite
A variety of Minerals
What is Spherocobaltite?
Spherocobaltite or sphaerocobaltite is a cobalt carbonate mineral with chemical composition CoCO3. In its (rare) pure form, it is typically a rose-red color, but impure specimens can be shades of pink to pale brown. It crystallizes in the trigonal crystal system.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Spherocobaltite 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.
Spherocobaltite Localities Map
See where Spherocobaltite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Most commonly dark magenta red; sometimes brownish red, greyish red, or velvet-black (due to surface alteraton)
- Hardness (Mohs)
- 3 - 4
- Density
- 4.21 g/cm³
- Streak
- Magenta, red, "peach blossom red"
Chemical Properties
- Chemical Formula
- CoCO3
- Elements
- C, Co, O
Also Known As
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Spherocobaltite FAQs
How do I identify Spherocobaltite?
Spherocobaltite can be identified by its hardness of 3 - 4 on the Mohs scale, Most commonly dark magenta red; sometimes brownish red color. Look for these key characteristics when examining specimens.
What color is Spherocobaltite?
Spherocobaltite typically appears in Most commonly dark magenta red; sometimes brownish red, greyish red, or velvet-black (due to surface alteraton). Color can vary depending on impurities and formation conditions.
How hard is Spherocobaltite?
Spherocobaltite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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