Corundum - image 1

Corundum

TH
Tony H Gill
United Kingdom, United Kingdom
0 for sale·Member since 2025
Crystals from an unusual sapphire locality mined by artisanal miners in Columbia. Left sapphire is a 12.5ct remarkable, facet quality colour change crystal, going from a steel/grey blue colour to hot pink. Ref.: https://www.gia.edu/gems-gemology/spring-2019-gemnews-sapphires-from-colombia Collected: 2021

Product details

SpeciesCorundum, Sapphire
SizeThumbnail
Dimensions1.0 x 0.9 x 0.8 cm
Added on06/29/2026
LocalityRío Mayo, Mercaderes, Cauca Department, Colombia

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Corundum
Mineral guide
Learn about Corundum
iconic mineral with ruby and sapphire varieties; Mohs 9, vivid colors, and sharp crystals; prized for color, form, and provenance.