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Hackmanite and Nepheline
RH05
1 Item
Canada
€43.33
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Hackmanite and Nepheline, Dungannon, Hastings Co, Ontario, Canada. Specimen 5.7x4x2.3cm of a mixture of two minerals: hackmanite, a sodium aluminium chlorosilicate, and nepheline, a potassium sodium aluminosilicate. These minerals fluoresce under long UV light, the hackmanite in orange-yellow and the nepheline in greenish-purple. Two handwritten labels, one by Chervet
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