Mango Quartz Halloysite - Specimen

Locality: Western Boyacá emerald region, Colombia (most likely the Cabiche diggings, Quípama)

"Mango" quartz is a collector nickname for Colombian quartz crystals whose tips are coloured yellow to orange by dense, fibrous inclusions of halloysite, a clay mineral of the kaolinite group. The inclusions are usually concentrated in the crystal terminations, so the colour fades from clear stems to golden tips. Some of the yellow tips were first thought to be coloured by humboldtine. That mineral probably formed when specimens were cleaned with oxalic acid, and most collectors now refer to the inclusions as halloysite.

Quartz is silicon dioxide, SiO₂, and halloysite is a hydrated aluminium silicate, Al₂Si₂O₅(OH)₄. Mango quartz from Cabiche has also produced rare Japan-law twins, in which two crystals join at nearly a right angle.

The best-known source is around Cabiche in Quípama Municipality, in western Boyacá, Colombia's emerald-mining region. According to one dealer, mine owners had found these crystals earlier near the emerald mines but valued them too highly to sell. Larger finds reached the market around 2017, and the material was described in Rocks & Minerals magazine in 2019.

This one of a kind Mango Quartz with Halloysite mineral specimen from Colombia, features a low-profile, elongated cluster densely covered in radiating sprays of fine quartz points. The specimen displays numerous slender, transparent to milky prismatic crystals capped with soft golden to amber “mango” terminations, distributed evenly across the surface. Distinct starburst formations of delicate, needle-like halloysite crystals create a frosted, almost feathery texture throughout, contrasting with the sharper quartz faces. The piece rests on a rugged, iron-rich matrix with warm brown tones, adding visual depth and a strong natural base.

Quartz is a ubiquitous mineral formed from silicon dioxide, commonly crystallizing in hydrothermal environments where mineral-rich fluids cool and solidify. The “mango quartz” coloration is typically the result of iron oxide staining or inclusions, giving rise to the characteristic yellow-orange tips. Halloysite is a hydrated aluminum silicate clay mineral, often forming microscopic tubular structures, but in rare cases appearing as visible acicular sprays like those seen here. Colombian deposits, particularly in the Boyacá region, are well known for producing unique quartz combinations associated with iron-rich hydrothermal systems.

Metaphysically, quartz is considered an energy amplifier, often associated with clarity, focus, and balance. Mango quartz, with its warm golden hues, is commonly linked to creativity, vitality, and confidence, while halloysite is thought to provide grounding and calming energy. Together, they are often believed to create a balanced energetic field—encouraging inspiration while maintaining emotional stability and connection to the earth.

Chemical Composition: SiO2

Quantity: 1pc
With this product, you will get the actual stone in the photograph.