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Acanthite
Acanthite
Imiter, Atlas Mountains, Morocco
Beryl var. Aquamarine
Beryl var. Aquamarine
Quy Chau District, Nghe An Province, Vietnam
Celestite
Celestite
Rockwood, Michigan
Danburite: Rough and Cut
Danburite: Rough and Cut
Charcas, San Luis Potosi, Mexico
Opal (rough and cut)
Opal (rough and cut)
Shoa Province, Ethiopia
Tourmaline Var. Elbaite
Tourmaline Var. Elbaite
Kunar Province, Afganistan
Boytroidal Opal

Boytroidal Opal

sold
Locality
Durango, Mexico
Minerals
Opal
Dimensions
5.0 x 3.8 x 2.9 cm
Size class
Miniature
SID
OPAL8

This comes from a recent discovery of a small-scale mining operation around Durango, Mexico. Some of the pieces I looked at still had roots on them, indicating a deposit relatively close to the surface. The opal itself is remarkably clear and intact. The fluorescence is extreme under both long wave and short wave (short wave pictured). 

This piece has crystallized on a brownish chalcedony matrix. It comes mounted on a black acrylic base. It's in great shape, without any dings. 

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