Spodumene var. Triphane - Doubly Terminated Gem Crystal, Mawi Pegmatite, Afghanistan

Spodumene from the Mawi Pegmatite in Laghman Province, Afghanistan, is among the most celebrated gem-crystal material of the Hindu Kush, yet doubly terminated crystals of this size and clarity remain rare. This example combines full termination at both ends, a saturated yellow body colour and a deeply sculpted, etched surface into a single floater of considerable presence. The form is a flattened, blade-like prism, elongated along the c-axis and thickened into a rounded, almost cylindrical section when viewed end-on. Both terminations are complex, resolving into a serrated crown of chisel points and stepped faces rather than a single clean plane, a consequence of late-stage etching in the pegmatite pocket. Those etch effects run the full length of the prism as a dense corduroy of vertical striations and solution channels, giving the crystal an extraordinary sense of depth: light entering one face is dispersed, refracted and returned through the sculpted interior instead of passing straight through. Colour is a bright, warm lemon to golden yellow, strongest along the thicker margins and at both terminations, where it deepens toward a honeyed tone. Through the thinner central zones the body lightens markedly, becoming near-colourless and silvery where the etch channels scatter light. Spodumene is strongly pleochroic, and the crystal shifts noticeably between a pale straw and a full saturated gold as it is rotated, a property that makes triphane far more animated in the hand than photographs can convey. Lustre is bright and vitreous on the intact prism faces and on the broad termination facets, taking on a satiny, almost fibrous sheen across the most heavily etched grooves. Under a single directional light the piece reads as a column of vertical highlights that travel as the specimen is turned. Condition is reported as pristine, with no visible dings or damage. That matters disproportionately here. Spodumene has perfect prismatic cleavage and parts readily along the length of the crystal, so projecting termination points and exposed edges are the first casualties of handling or extraction; a fully doubly terminated crystal surviving intact, with its serrated crown unchipped, is uncommon even from a productive locality. At 16 x 6.5 x 5 cm and 1077 g, this is a museum-size piece by format and a genuine display specimen by presence, standing as a freestanding crystal without need of matrix. Seen against a dark ground under raking light, it glows from within like a block of cast amber glass.