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They were related to modern day herrings and sardines and evidence suggests a similar diet of algae and insects
Sapphires form very slowly inside cooling igneous and metamorphic rocks as metals seep into aluminum oxide crystals
0 (specific gravity) and can be recovered from alluvial materials derived from their original host rock
1844 This specimen is a fragment of the First Transatlantic Cable carried aboard the U
With repeated use
Copper Crystal - 7.08" Native Copper rockinaboxplant They were related to modernOne of the most malleable materials known to man, copper guided human civilization out of the Stone Age and into the Age of Metals. These stunning native copper crystals form beautiful, complex lattices, revealing the many forms this material is capable of taking. This specimen is a native copper crystal recovered in Kazakhstan, measuring 7. 08". Featured in the Fourth Edition of the Mini Museum, we are proud to present native copper crystals as a
