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Hornblende Root Name Group from
Katukubura Hills, Kolonne, Embilipitiya, Ratnapura District, Sabaragamuwa Province, Sri Lanka


Locality type:Hill
Classification
Species:'Hornblende Root Name Group' (not an IMA approved species)
Formula:◻Ca2(C42+C3+)(AlSi7O22)W2
Comments:Found as dark green or black crystals up to 35 cm. No chemical analysis has been published of the amphiboles, but the refractive index is 1,658-1,667-1,678 and the density 3,17 g/cm3.

Hornblende is in this context used in the petrological use of the term, i.e. as a calcium subgroup amphibole excluding tremolite-actinolite series minerals.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hornblende Root Name Group data
Locality Data:Click here to view Katukubura Hills, Kolonne, Embilipitiya, Ratnapura District, Sabaragamuwa Province, Sri Lanka
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:856480
Long-form Identifier:1:3:856480:1
GUID (UUID V4):0
References
 
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