Alexandrite, Pleochroism

10-December-2017 Sunday
Widow's stone - alexandrite

Widow's stone - alexandrite - Minerals, Mineralogy, , Crystals, Pleochroism, Alexandrite, Longpost

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Alexandrite Crystals Лига минералогии Mineralogy Minerals Pleochroism

08-December-2016 Thursday
dragon eye

dragon eye - My, My, Photo, Alexandrite, , Fluorescence, Ultraviolet, Pleochroism, Play of Color, Longpost

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Alexandrite Play of Color Pleochroism Ultraviolet Fluorescence Photo Хризоберилл

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