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Whewellite (twin)
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Whewellite (twin) (Ref: SCH-455)

Shaft 371, Hartenstein, Zwickau Dist., Saxony, Germany
20mm x 10mm x 10mm
$2400
This is a Whewellite (twin) from Shaft 371, Hartenstein, Zwickau Dist., Saxony, Germany. A very aesthetic and desirable thumbnail of this calcium oxalate mineral species, whewellite: a mineral with highly unusual chemistry and mass as if you are holding air, rather than a mineral species.
Data last checked on 7th Nov 2025 - specimen may no longer be available

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See Also

Whewellite (twinned)
Schlema-Hartenstein mining dist., Saxony, Germany
$2850
30mm x 30mm x 20mm
Whewellite with Löllingite inclusions and Weddelite(?)
Shaft 371, Hartenstein, Zwickau Dist., Saxony, Germany
$3250
40mm x 30mm x 10mm
Whewellite
1575-m-Level | Schacht 371 | Schlema | Erzgebirge | Saxony | Germany
$1924 *
39mm x 34mm x 19mm
Whewellite
Uranium Mine No. 19, Dubenec, Pribram District, Central Bohemian Region, Czech Republic
$1800
30mm x 20mm x 20mm
Fluorite with Dolomite (illustrated)
Cäcilia Mine, Freiung, Stulln, Schwandorf Dist., Upper Palatinate, Bavaria, Germany
$2450
100mm x 60mm x 40mm
Proustite and Calcite
Schneeberg, Erzgebirgskreis, Saxony, Germany
$2500
Stephanite on Calcite
St. Andreasberg | Harz | Lower Saxony | Germany
$2673 *
41mm x 31mm x 29mm
Leonite on Halite
Sigmundshall Mine, Bokeloh, Hanover Region, Lower Saxony, Germany
$2500
130mm x 80mm x 60mm
Tetrahedrite & Calcite
Zilla Mine | Rosenhöfer Gangzug | Clausthal-Zellerfeld | Harz | Lower Saxony | Germany
$2673 *
80mm x 49mm x 29mm
Hydroboracite
Kohnstein Quarry, Niedersachswerfen, Harz, Thuringia, Germany
$2400
30mm x 10mm
Vanadinite
ACF Mine (incl. Coud'a shaft; Coudia shaft), Mibladene (Mibladen; Mibladan; Miblanden), Upper Moulouya lead district, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco
$2400
40mm x 30mm x 30mm
Wulfenite with Mimetite
Rowley Mine, Painted Rock Mining Dist., Maricopa Co., Arizona, USA
$2400
100mm x 90mm x 30mm
Gypsum (twinned) on Gypsum
Salinas de Otuma, Paracas Dist., Pisco Prov., Ica, Peru
$2400
70mm x 60mm x 40mm
Chrysocolla on Quartz
Tentadora Mine, Julcani Dist., Angaraes Prov., Huancavelica, Peru
$2400
40mm x 40mm x 30mm
Phosphosiderite
Kreuzberg | Pleystein | Weiden | Upper Palatinate | Bavaria | Germany
$2566 *
65mm x 33mm x 26mm
* price is an approximate conversion and may not be accurate.

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