Photochromic Sodalite aka Hackmanite Specimen, Fluorescent and Tenebrescent, Color Changes to Darker kunzite Peruvian Blue Opal is a

Peruvian Blue Opal is a common opal and does not show play-of-color

Size: 112 x 16 x 13 mm

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Size: 87 x 27 x 17 mm

Photochromic Sodalite aka Hackmanite Specimen, Fluorescent and Tenebrescent, Color Changes to Darker kunzite Peruvian Blue Opal is aYou will receive ONE (1) hackmanite specimen with marble and some may have richterite, from the Kokcha Valley, Kuran Wa Munjan, Badakshan Afghanistan. The specimens have mild tenebrescence. It is fluorescent (glows bright orange under longwave UV light), photochromic tenebrescent (changes to a deeper shade when exposed to sunlight or certain other light sources). You can see the tenebrescence (lighter and darker shades of purple) in the photos. When