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You Searched For : Colemanite, borate [0,0,0]
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Boracite - Alto Chapare mining district, Chapare Province, Cochabamba, Bolivia
(#MINS9315)
This piece features a well-formed, sharp, translucent, soft blue color cube of this hard-to-find species on matrix. The cube measures 6x7 mm. A rare Mg-borate found in evaporite deposits.
Specimen weight:8 gr.
Crystal size:6x7 mm
 Overall size:18mm x 14 mm x 16 mm
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Santarosaite - Santa Rosa mine - Santa Rosa-Huantajaya Distr. - Iquique Prov. - Tarapacá - Chile TYPE LOCALITY
(#MINS9305)
Several blue colored sub-mmi spheres of Santarosaite are arranged on the surface of this sample.
The santarosaite is a very rare copper borate, found for now only in this locality, which is therefore the type locality.
Specimen weight:15 gr.
Crystal size:sub-mm
Overall size:35mm x 30 mm x 11 mm
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Ericaite - Panel 14, Boulby Mine, Loftus, Redcar and Cleveland, North Yorkshire, England, UK
(#MINS9100)
A single lustrous brownish cubic crystal of Ericaite embedded in syslte matrix coloured rerracotta red by association with Hilgardite.
Specimen weight:5 gr.
Crystal size:Up to 5 mm
Overall size:14mm x 12 mm x 14 mm
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Canavesite - Salvere level - Brosso mine - Cálea - Léssolo - Canavese distr. - Torino prov. - Piedmont - Italy
(#GM24045)
The surface of this specimen is almost completely covered by rosettes of snow-white needles of canavesite.
It's an extremely rare borate ...
Specimen weight:295 gr.
Crystal size:mm. 3
Overall size:66mm x 55 mm x 44 mm
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