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Ferri-leakeite
€32.00
Black, fibrous ferri-leakeite in matrixEastern Pedriza Massif, Sierra de Guadarrama, Spain
Small, disseminated clusters of black, fibrous ferri-leakeite ("ferriwhittakerite") in matrix
MM_0245
1 Item
Data sheet
- Locality
- Eastern Pedriza Massif, Sierra de Guadarrama, Spain
- Size category
- Miniature
- Size (cm)
- 4 x 2.5 x 2
- Weight
- 32 g
- Formula
- [Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2
- Properties
- Vitreous; acicular habit; black
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Black, fibrous ferri-leakeite in matrixEastern Pedriza Massif, Sierra de Guadarrama, Spain