• Tyrolite, Tangdanite, Erythrite and Azurite
  • Tyrolite, Tangdanite, Erythrite and Azurite
  • Tyrolite, Tangdanite, Erythrite and Azurite
  • Tyrolite, Tangdanite, Erythrite and Azurite
Phosphates, Arsenates and Vanadates

Tyrolite, Tangdanite, Erythrite and Azurite

$1,500.00   €1,390  £1,280.00 approx.  

This specimen is priced in US dollars, all other prices are approximate.

ID: CC10556
A highly brecciated specimen interwoven with fracture and pore-filled copper and cobalt mineralisation.  The specimen contains Tyrolite, Tangdanite, Erythrite and Azurite and is from the Geyer-Silberberg District in the Brixlegg-Schwaz Area of North Tyrol, Austria.  The mineral Tangdanite was formerly named Clinotyrolite.  The Azurite and Erythite are readily identified in the specimen, being their characteristic blue and cobalt-pink.  The distinction between Tyrolite and Tangdanite is very difficult however, as they are both greenish-blue with a somewhat radial, fibrous structure.  Tyrolite is a hydrated calcium copper arsenate carbonate whereas Tangdanite is essentially Tyrolite with sulphate rather than carbonate.  Both species are present although not individually discernible.  Nonetheless, a terrific specimen.

Details

Dimensions
8.8 × 6.8 × 3.2 cm
Categories
Carbonates, Oxides and Hydroxides, Phosphates, Arsenates and Vanadates, Sulphates, Nitrates and Borates
Locality
Geyer - Silberberg District, Brixlegg - Schwaz Area, Inn valley, North Tyrol, Austria

Minerals on Specimen

Minerals on specimen
Tyrolite

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