Guanajuato
Curated by Maggie Liu · Updated:
Guanajuato, in central Mexico, is one of the world's great historic silver districts, worked along the Veta Madre ("Mother Lode") since the 16th century. It yields silver minerals, amethyst, and fine calcite.
About Guanajuatoextended article
Guanajuato, in central Mexico, is a historic silver-mining district that has also produced fine collector minerals — most famously rich purple amethyst and silver sulfides.
Epithermal silver veins
Guanajuato's wealth came from epithermal silver-gold veins worked since the 16th century. The same hydrothermal system that deposited the silver also lined vugs with quartz, including the deeply coloured amethyst the district is known for.
Signature minerals
Collectors prize Guanajuato's amethyst, native silver and acanthite, along with apophyllite and other vug minerals. Amethyst with a saturated purple colour is the locality's hallmark.
Frequently asked questions
Where is Guanajuato?
Guanajuato is a mineral locality in Mexico. It lies at approximately 21.0200°N, 101.2600°W. Elevation is about 2000 m.
What minerals are found at Guanajuato?
Signature minerals from Guanajuato include Silver. The locality lies in Mexico, and each mineral links to a full reference entry with formula, crystal system, and collector notes.
What is Guanajuato known for?
Guanajuato, in central Mexico, is one of the world's great historic silver districts, worked along the Veta Madre ("Mother Lode") since the 16th century. It yields silver minerals, amethyst, and fine calcite.
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