Minrecordite
A variety of Minerals
What is Minrecordite?
Minrecordite, CaZn(CO3)2 , is a very rare mineral belonging to the dolomite group, the member with Ca and Zn. It was discovered, associated with dioptase, in a specimen from the Tsumeb mine (Namibia), which is consequently its type locality. Its name is a tribute to The Mineralogical Record magazine, representing the collaboration between professional and amateur mineralogists. In this locality it is associated primarily with dioptase, and less frequently with duftite, calcite and malachite. It is a rare mineral, which has been found only in a few deposits in the world. In addition to the type locality, it appears in the Preguiça mine, in Moura, district of Beja (Portugal) .
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Minrecordite 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.
Minrecordite Localities Map
See where Minrecordite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- White, colourless
- Hardness (Mohs)
- 3.5 - 4
- Density
- 3.445 g/cm³
Chemical Properties
- Chemical Formula
- CaZn(CO3)2
- Elements
- C, Ca, O, Zn
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Minrecordite FAQs
How do I identify Minrecordite?
Minrecordite can be identified by its hardness of 3.5 - 4 on the Mohs scale, White color. Look for these key characteristics when examining specimens.
What color is Minrecordite?
Minrecordite typically appears in White, colourless. Color can vary depending on impurities and formation conditions.
How hard is Minrecordite?
Minrecordite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.
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