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Quartz (Amethyst) - image 1
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Quartz (Amethyst)
Quartz (amethyst), 10.1 cm, from the Margarita mine, Amatitlan, Guerrero, Mexico. Amethyst was first discovered in the hills above Amatitlan around 1930 by a farmer named Donato Retana. Two branches of his family got into a feud over ownership, resulting in many deaths on both sides before ownership was settled. Most of the best specimens in the following years came from the Margarita claim filed by Joaquin Ontiveros.
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The Mineralogical Museum, University of Delaware
Product details
Species
Amethyst, Quartz
SizeCabinet
Dimensions10.1 cm
Locality
Mexico, Guerrero, Mina La Sorpressa
Publications
  • Mineralogical Record Mineral Collection University Of Delaware page 63
Added on02/13/2026
Known provenance
Unknown date
The Mineralogical Museum, University of Delaware
Not disclosed—
Unknown date
Joaquin Ontiveros
Not disclosed—
Unknown date
Donato Retana
Not disclosed—
Species and Locality Wiki Pages
Amethyst
Amethyst
Amethyst
from Mina La Sorpressa
Amethyst
Collectors of Amethyst from Mina La Sorpressa
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