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RM1483   Andradite

Cala mines, Cala, Huelva, Andalucía, Spain

Druse of trapezohedral crystals of andradite from this classic Spanish locality. Intense brilliance, with colors between brown to reddish. On a granatite with epidote. This is a specimen with pedigree from the Gustav Beck collection.


Size: 6.7 x 4.2 x 3.6 cm.
Main crystal: 8 x 8 mm.

Col. Gustav Beck


 

RM2060   Ferro-Pargasite with Calcite and Epidote

Cala mines, Cala, Huelva, Andalucía, Spain

Radial aggregates of ferro-pargasite with an intense luster and very deep green colour. Accompanied in the granatite matrix with epidote crystals and orange calcite. The ferro-pargasite of this deposit is the dominant amphibole in the granatite fissures, although it was classified as hastingsite according to data provided by the exploiting company (according to Miguel Calvo in Minerales de España, vol. IX); for this reason surely the label that accompanies this sample classifies it as hastingsite.


Size: 10 x 8.5 x 2.5 cm.
Main crystal: 35 mm fibr.
Found in ±1988

Col. A. Arguijo (L'Hospitalet de Llobregat)


 

RM2061   Tremolite with actinolite and calcite

Cala mines, Cala, Huelva, Andalucía, Spain

Fibrous aggregate of tremolite crystals, very brilliant and with an olive green colour. They are accompanied by prismatic crystals of darker green actinolite and orange calcite. Good size and representative for the locality and the species. The Manuel-Mercedes open pit is embedded in the granitic intrusions that were accompanied by contact metamorphism and gave rise to the formation of the skarn, with important deposits of magnetite.


Size: 8.5 x 7 x 5.2 cm.

Price: 55 €Buy
 
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