Orthoclase
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Gemmy orthoclase crystal, 1.5 cm, from South Betroka, Madagascar. Purchased from Lawrence D. Venezia; Reynard and Seideman photo.
Product details
SpeciesOrthoclase
SizeThumbnail
Dimensions1.5 cm
Added on02/13/2026
LocalityMadagascar, Anosy, Betroka District
Publications
- Mineralogical Record Mineral Collections In American Northeast page 288
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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
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