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widely distributed mineral
Die gut erhaltenen Exemplare bieten detaillierte Informationen über die Skelettanatomie und funktionelle Morphologie dieser alten Tetrapoden und gewähren Einblicke in ihre Biologie und Ökologie
It is often found in combination with malachite
about 50 million years old
Due to its characteristic light green color and its occurrence in the weathering zone of almost all copper deposits
Montierter Amethyst | Uruguay Flower widely distributed mineralOrigin: Uruguay Size: H68cm W23cm D22cm Description: The highly aesthetic free form of a "drop", the surfaces ground and the edges polished to reveal the structural layers and crystal shapes of the deep purple amethyst. Supported on a handcrafted stand. Additional Information: Amethyst, a transparent, coarse grained variety of the silicon dioxide mineral quartz, is prized for its purple color. Its physical properties are similar to those of quartz,
US$ 69.95
US$ 179.99
US$ 10.95
