18g Brucite on Chrysocolla Matrix - Fine Mineral Specimen, Killa Saifullah, Pakistan
This 18-gram specimen features two rounded, botryoidal Brucite nodules in vivid yellow-green sitting directly on a multi-mineral matrix composed of turquoise-blue Chrysocolla, grey-purple chromite, and iron oxide. The colour contrast between the Brucite and the Chrysocolla matrix is sharp and visually distinctive — a combination that is genuinely uncommon in the mineral market. Specimen Details Primary Minerals: Brucite, Chrysocolla Matrix: Chromite with Chrysocolla crystallization Weight: 18 Grams Dimensions: 40 × 40 × 15 mm Colours: Yellow-Green (Brucite), Turquoise-Blue (Chrysocolla), Grey, Orange-Brown Origin Location: Killa Saifullah District, Balochistan Province, Pakistan Country: Pakistan About Brucite on Chrysocolla Brucite is a magnesium hydroxide mineral that forms botryoidal (grape-like) masses in shades of white, yellow, and green. When found naturally associated with Chrysocolla — a copper silicate mineral known for its turquoise-to-blue colouration — the pairing is considered rare. This specimen originates from the chromite-rich geology of Balochistan, where the chromite matrix provides a dark, contrasting base that further highlights both minerals. FAQs Is Brucite a rare mineral? Brucite itself is not uncommon, but well-formed botryoidal Brucite specimens naturally associated with Chrysocolla on a chromite matrix — as seen here — are genuinely scarce and seldom appear on the collector market. Can Brucite be used in jewellery? Brucite has a low hardness (Mohs 2.5) and is fragile, making it unsuitable for everyday jewellery. It is primarily valued as a display mineral and collector specimen rather than a lapidary material. What does Chrysocolla look like on a matrix specimen? Chrysocolla typically appears as a fine, powdery to microcrystalline coating in shades of turquoise, blue, and green. On this specimen it forms a vivid blue-green crust across the chromite matrix, providing strong visual contrast against the yellow Brucite nodules.