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Ferri-pedrizite (sodic-ferripedrizite)
€35.00
Black amphibole in matrixEastern Pedriza Massif, Sierra de Guadarrama, Spain
A tiny piece of black-dark green amphibole in a fine-grained granitic matrix, from the type locality
MM_0372
1 Item
Data sheet
- Locality
- Eastern Pedriza Massif, Sierra de Guadarrama, Spain (TL)
- Size category
- TN
- Size (cm)
- 1.2 x 1 x 0.2
- Formula
- NaLi2(Fe+++2Mg2Li)Si8O22(OH)2
- Properties
- Vitreous; dark green, black
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Black amphibole in matrixEastern Pedriza Massif, Sierra de Guadarrama, Spain