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RM3404 Neptunite
California State Gem Mine, New Idria Mining District, Santa Rita Peak, San Benito Co., California, United States of America
Group of neptunite crystals, well developed and rich in faces, bright and arranged on a matrix with white natrolite. The contrast is very aesthetic. It belongs from the Nicolau collection (Barcelona). The formula of neptunite indicates its chemical complexity: KNa₂Li(Fe²⁺)₂Ti₂[Si₄O₁₂]₂
Size: 10.5 x 7 x 3.9 cm.
Main crystal: 12 mm.
Found in ±2009.
Col. E. Nicolau (Barcelona).
550 €
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