A natural red spinel octahedron crystal from Mogok, Myanmar — 0.40ct, entirely uncut and untreated. The largest of our Nat Thew crystal collection, this specimen displays the characteristic spinel crystal habit in its most complete form: eight smooth, triangular faces with excellent geometric definition. A significant collector's piece from one of the world's most celebrated gemstone localities.
Product Details
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Colour: Red
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Form: Natural Octahedron Crystal (Uncut)
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Weight: 0.40ct
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Origin: Mogok, Myanmar
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Mineral: Natural Spinel
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Hardness: 8 (Mohs scale)
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Treatments: None
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Product Code: E0016
What Is a Nat Thew Crystal?
"Nat Thew" is a Burmese term for these naturally formed spinel octahedra. Spinel is one of the few minerals that reliably crystallises into near-perfect octahedral forms — eight smooth, triangular faces meeting at precise vertices. In Mogok, these crystals hold cultural significance and are collected by mineral enthusiasts, gemstone specialists, and jewellery designers who want to work with spinel in its most natural state. Each Nat Thew is unique and cannot be replicated. They are suitable for mineral collections, display pieces, and increasingly as raw elements in contemporary jewellery design.
About Natural Spinel Gem
We specialise in natural untreated spinel, sourced directly from small-scale miners in Mogok, Myanmar — one of the world's most celebrated gem origins. Gemstones are hand-cut locally. All gemstones are available for private viewing across London at your business premises or by appointment at Hatton Garden.
