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Measurements:
37 x 26 x 21 mm Description: A cluster of well-formed schorl and small, light smoky quartz crystals, on a feldspar matrix. The edges of specimen has
contact and pressure marks. Chemical
Composition:
NaFe2+3Al6Si6O18(BO3)3(OH)4
(schorl) Specimen
Code: NAM
032 R SOLD ..
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