Purple Raw Hackmanite Crystals Having Rich colour Crystals- 73 g - (1)

Purple Raw Hackmanite Crystals Having Rich colour Crystals- 73 g - (1) #2.1

Purple Raw Hackmanite Crystals Having Rich colour Crystals- 73 g - (1) #3.2

Purple Raw Hackmanite Crystals Having Rich colour Crystals- 73 g - (1) #4.3

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Selected by Yoan Beckaert

Estimate € 160 - € 200

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Purple raw hackmanite crystals from Afghanistan, weighing 73 g, in crystal form, exhibit tenebrescence, changing from deep pink or violet in darkness to bright orange or red under UV light.

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Description from the seller

Hackmanite is a rare sulfur-bearing variety of sodalite famous for tenebrescence—the ability to reversibly change color when exposed to sunlight or UV light. Freshly mined or dark-stored stones are deep pink or violet, but fade in sunlight, and glow bright orange or red under UV