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Prehnite and Quartz Crystals on Baslt Matrix - NBB 058 |
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Measurements:
52 x
41 x 28 mm
Description: Two undamaged balls of prehnite and numerous quartz crytals (of which some are damaged) sit on a matrix of basalt, quartz and epidote. Many of the smaller quartz crystals have very small prehnite crystals attached to them. Hidden in a forest of small quartz crystals, is another small ball of prehnite. The bottom of the specimen has been trimmed. Chemical
Composition: Ca2Al2Si3O10(OH)2 (prehnite)
Location: Brandberg, Namibia Specimen Code: NBB 058 US $ 65
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