Cobaltoblödite
A variety of Minerals
What is Cobaltoblödite?
Cobaltoblödite is a rare cobalt mineral with the formula Na2Co(SO4)2·4H2O. Cobaltoblödite was found in the Blue Lizard mine, San Juan County, Utah, USA, which is known for secondary uranium minerals. Cobaltoblödite occurs intimately intergrown with manganese-, cobalt- and nickel-enriched blödite and a yet another new mineral - manganoblödite. Cobaltoblödite, as suggested by its name is a cobalt-analogue of blödite. It is also analogous to changoite, manganoblödite and nickelblödite - other members of the blödite group.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Cobaltoblödite 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.
Cobaltoblödite Localities Map
See where Cobaltoblödite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- reddish-pink in aggregates
- Hardness (Mohs)
- 2.5
- Density
- 2.347 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Na2Co(SO4)2•4H2O
- Elements
- Co, H, Na, O, S
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Cobaltoblödite FAQs
How do I identify Cobaltoblödite?
Cobaltoblödite can be identified by its hardness of 2.5 on the Mohs scale, reddish-pink in aggregates color. Look for these key characteristics when examining specimens.
What color is Cobaltoblödite?
Cobaltoblödite typically appears in reddish-pink in aggregates. Color can vary depending on impurities and formation conditions.
How hard is Cobaltoblödite?
Cobaltoblödite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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