Opal Mineral

Andrea Ferreira21th Century

MM Gerdau - Museum of Mines and Metals
Belo Horizonte, Brazil

Rare brazilian specimen of precious opal in queluzito metamorphic rock. The mineral was collected in the 60's in one of the main manganese mines in Brazil.

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Details

Title: Opal Mineral
Creator: Andrea Ferreira
Date Created: 21th Century
Location Created: Morro da Mina, Conselheiro Lafaiete, Minas Gerais, Brasil
Physical Dimensions: 16,0 x 4,8 x 4,8 cm
Type: SiO2·nH2O - Silicates (Hydrated Sylica)
Rights: MM Gerdau - Museu das Minas e do Metal
Medium: Mineral

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