mineral
Polished peach moonstone
Moonstone, a feldspar variety; likely orthoclase (KAlSi₃O₈)
AI-generated identification · may be incorrectPeach to pale orange, translucent, with a vitreous-to-pearly sheen and feldspar cleavage; hardness about 6–6.5 Mohs. The small, polished piece shows no clear diagnostic blue sheen, so exact identification from the image is uncertain.
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Physical properties
Peach to pale orange, translucent, with a vitreous-to-pearly sheen and feldspar cleavage; hardness about 6–6.5 Mohs. The small, polished piece shows no clear diagnostic blue sheen, so exact identification from the image is uncertain.
Formation & geological history
Moonstone forms as feldspar crystallizes in igneous rocks, especially pegmatites; its internal feldspar layers create light effects. The image does not reveal its geological age or source.
Uses & applications
Used in cabochon jewelry, decorative objects, and mineral collections.
Geological facts
Moonstone’s characteristic floating sheen, called adularescence, comes from light scattering between microscopic feldspar layers.
Field identification & locations
Check for a soft, moving glow under angled light and hardness near 6; common sources include India, Sri Lanka, Madagascar, and Myanmar. A photo alone cannot confirm the identification.
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