Marialite, Orthoclase

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Marialite crystal group, 7.5 cm, replaced by orthoclase, from the Pitwak mine, Afghanistan. Michael Bainbridge photo.

Product details

SizeSmall Cabinet
Dimensions7.5 cm
Added on02/13/2026
Publications
  • Mineralogical Record Mineral Collections In Pacific Northwest page 177

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Mineral guide
Learn about Orthoclase
classic potassium feldspar with colors from colorless to pink; famed for Carlsbad, Baveno and Manebach twins and Alpine adularia in clefts.
Regional guide
Orthoclase from Pitwak Mine
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