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Oxides
[5 from 99] Amethyst. Geode thick-walled, with crystals of 3-5 cm
The name, a brief visual description:
Amethyst. Geode thick-walled, with crystals of 3-5 cm
Sample size:
Geode. 50h45h25 see 53.00 kg.
Place of sampling:
Brazil
agate Polished slate-gray banded agate with drusoid quartz in the cente...
Amethyst. Druse korotkoprizmaticheskih crystals of 2-4 cm