Mined from: Russia Description: This Yooperlite skull from Russia appears at first as a gray, speckled stone with a volcanic texture, but under ultraviolet light it transforms—revealing vivid orange fluorescence that traces through the surface in branching patterns. The effect is caused by sodalite inclusions within a syenite matrix, which react naturally under UV exposure. Carved with precision, the skull form highlights both the stone’s complex mineral structure and its sculptural detail. Yooperlite is a trade name for sodalite-bearing syenite, originally identified along the shores of Lake Superior in Michigan. Comparable material has since been found in Russia, sharing the same distinctive fluorescence. The phenomenon occurs as ultraviolet light excites electrons in the sodalite’s crystal lattice, causing the orange glow. This combination of geological composition and optical behavior makes Yooperlite a distinctive specimen for both collectors and educators. Historically, carved skulls have symbolized knowledge, transformation, and the transience of life. When rendered in Yooperlite, the form gains an additional layer of intrigue through its dual nature—ordinary in daylight, luminous in the dark. It stands as both a mineralogical curiosity and a finely executed example of contemporary lapidary art. Chemical Composition: Na₈(Al₆Si₆O₂₄)Cl₂ Chakra: Throat and Third Eye Approximate Size of 1 Piece: 9.5cm x 6.5cm x 6cm Approximate Weight of 1 Piece: 460g Quantity: 1pc We do our best to buy quality products- although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.
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