Mexican Opal Egg | 63 × 49mm | Mexico Thulite steel grey

steel grey

particularly from the Deccan region

Stands and display cases can be purchased separately from our Stands & Accessories section

A naturally formed dravite specimen with a well-developed hexagonal cross-section — a crystal habit rarely seen this clearly in rough tourmaline

Mexican Opal Egg | 63 × 49mm | Mexico Thulite steel greySourced from the volcanic highlands of Mexico, where opal forms in ancient rhyolite this egg carries the warm, earthy palette of its origins. The base tone is a muted olive khaki, shifting to warm caramel and rich chestnut across the surface. Scattered throughout are irregular patches of dusty slate blue the telltale hallmark of Mexican matrix opal sitting within a mosaic of cream and buff veining. The polish is high and glassy, catching light across