Dragon Minerals - April 14, 2024 Update

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36969: Osumilite - $8
Summit Rock, Klamath County, Oregon
Miniature - 4.9 x 3.2 x 2.5 cm
40 grams
Specimen status: Reserved
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Numerous dark, opaque osumilite crystals to about 2 mm on one face of the matrix. Osumilite is a potassium iron cyclosilicate whose chemical formula is KFe2(Al5Si10)O30. Very typical for the species.




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