Niedermayrite
A variety of Minerals
What is Niedermayrite?
Niedermayrite is a rare hydrated copper cadmium sulfate hydroxide mineral with formula: Cu4Cd(SO4)2(OH)6·4H2O. It crystallizes in the monoclinic system and occurs as encrustations and well formed vitreous blue-green prismatic crystals. It has a specific gravity of 3.36. Niedermayrite was named for Gerhard Niedermayr (born 1941), an Austrian mineralogist. It was first described in 1998 from a mine in the Lavrion District, Attica, Greece. It is also reported from the Ophir District, Tooele County, Utah. The environment is in brecciated marble. The cadmium dominant analogue of campigliaite.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Niedermayrite 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.
Niedermayrite Localities Map
See where Niedermayrite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Bluish green, pale bluish
- Density
- 3.292 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- CdCu4(SO4)2(OH)6 · 4H2O
- Elements
- Cd, Cu, H, O, S
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Niedermayrite FAQs
How do I identify Niedermayrite?
Niedermayrite can be identified by its Bluish green color. Look for these key characteristics when examining specimens.
What color is Niedermayrite?
Niedermayrite typically appears in Bluish green, pale bluish. Color can vary depending on impurities and formation conditions.
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