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Prehnite with Quartz and Calcite - NBB 055 |
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Measurements: 38 x
25 x 20 mm
Description: Two lots of bladed prehnite crystals on a matrix of calcite and quartz crystals. This specimen's peculiar shape makes it very special! The larger prehnite ball has some damage to it where it parted from the matrix. Chemical Composition: Ca2Al2Si3O10(OH)2 (prehnite)
SiO2 (quartz)
CaCO3 (calcite) Location: Brandberg, Namibia Specimen Code: NBB 055 US $ 65 |
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