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Cuprian Glauconite

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Crystal System:
A variety of Glauconite

A 2M polytype mica, glauconite variety, containing up to 2.02 wt.% CuO and anomalously rich in Na2O (over 6 wt.%) and MgO (over 7 wt.%), by up to 1.13 wt.% FeO.

A common constituent of white sandstones (Weissliegendes) with chalcocite mineralization within the Zechstein Cu deposits of Fore-Sudetic Monocline, Poland. Likely a product of an interaction of ordinary glauconite with Mg,K-bearing brine being at once parental to the Cu mineralization.

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Chemical Properties of Cuprian GlauconiteHide


Crystallography of Cuprian GlauconiteHide

Crystal System:
Cell Parameters:
a = 5.19 Å, b = 9.00 Å, c = 19.99 Å
β = 95.48°
a:b:c = 0.577 : 1 : 2.221
Unit Cell V:
929.47 ų (Calculated from Unit Cell)

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Cuprian GlauconiteHide

Reference List:
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Kucha, H., Piestrzyński, A., Wieczorek, A. (1982): Copper-bearing glauconite from the Weissliegendes of Zechstein copper deposits, Poland. Mineralogia - Special Papers: 13(2): 21-27

Internet Links for Cuprian GlauconiteHide

Localities for Cuprian GlauconiteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Lower Silesian Voivodeship
Kucha, H., Piestrzyński, A., Wieczorek, A. (1982): Copper-bearing glauconite from the Weissliegendes of Zechstein copper deposits, Poland. Mineralogia - Special Papers: 13(2): 21-27
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