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Chronicle of the 2022 Tucson Show Virtual 
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THE CORE OF TUCSON VIRTUAL 2022 | THE CORE OF STE. MARIE VIRTUAL 2021 |
Chronicle of the 2021 Ste. Marie Virtual Show  |
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Chronicle of the 2021 Tucson Show Virtual 
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THE CORE OF TUCSON VIRTUAL 2021 | THE CORE OF EXPOMINER VIRTUAL 2020 |
Chronicle of the 2020 Expominer Virtual Show 
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EXPOMINERALS.com
The Core of Tucson Show Virtual 2022
(para ver esta página en español)
Thank you for attending the Tucson Virtual Show
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TC2290NRF
Isolated Hydroxylapatite crystals on a matrix of Quartz crystals. Hydroxylapatite forms crystals with a very flattened bipyramidal shape, almost lenticular. They are translucent and have a nice green color, with a much paler greenish yellow zoning in the center.
Sapo Mine, Ferruginha, Conselheiro Pena, Vale do Rio Doce, Minas Gerais Brazil
Specimen size: 19.8 x 12.1 x 6.2 cm
Main crystal size: 2.2 x 1.3 cm
Front / Photo: Joaquim Callén
Detail
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TC21100NBR
Isolated Elbaite crystals (verdelite variety), with clean pinacoidal terminations, one of them doubly terminated, implanted in a group of Quartz crystals. The Elbaite crystals are transparent, lustrous, and have a very vivid and uniform green color.
The specimen comes from the collection of Miguel David Martínez (number 940), whose label we will send to the buyer and in which it is stated that it had previously been in the collection of Mariano Guillén.
Minas Gerais Brazil
Specimen size: 22.3 x 15.1 x 14 cm
Main crystal size: 4 x 1.4 cm
Former collection of Miguel David Martínez
Former collection of Mariano Guillén
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