Himalaya Mine, Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
Himalaya Mine (Himalaya dikes; Himalaya pegmatite), Gem Hill, Mesa Grande Mining District, San Diego County, California, USA
5cm x 3.4cm x 2.4cm
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5.0 x 3.4 x 2.4 cm. A rare specimen of Himalaya Mine laumontite - not commonly available. Laumontite is a zeolite, a hydrated calcium-aluminium silicate, with the molecular formula Ca(AlSi2O6)2•4H2O. This cluster of fine prismatic crystals is in wonderful condition, with the terminations intact.
- 11th March 2009
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