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Aquamarine- (Beyrl)- composed of beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6. ....The pale blue color of aquamarine is attributed to Fe2+ , hardness of 7.5–8, Crystal system Hexagonal

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Crinoids lived around the Silurian. They were attached to the sea floor by their stem. Crinoids were filter feeders gathering nutrients and microscopic organisms into their finger like heads.

Red Phantom Quartz or Quartz with iron oxide inclusions.