Double-Terminated Black Tourmaline with Goshenite & Hyalite Opal from Namibia

This remarkable specimen from Namibia's famous Erongo Region showcases an exceptionally well-formed double-terminated Black Tourmaline (Schorl) crystal accompanied by delicate Goshenite crystals and rare Hyalite Opal. The specimen's clean crystal geometry and unusual mineral association make it a highly desirable piece for both collectors and enthusiasts of fine pegmatite minerals.

The dominant feature is the impressive Black Tourmaline crystal, displaying sharp terminations at both ends—a growth habit that is significantly less common than single-terminated examples. Its lustrous jet-black surfaces reveal the characteristic striations of Schorl, while the crystal's broad faces and balanced proportions create a bold and elegant display.

Adding contrast to the dark tourmaline are small colourless Goshenite crystals, the purest variety of beryl. Their transparent appearance provides a delicate counterpoint to the robust tourmaline crystal. Scattered around the specimen is also Hyalite Opal, a rare form of opal that exhibits a vivid green fluorescence under ultraviolet light, adding an extra dimension of interest for collectors who appreciate fluorescent minerals.

The combination of a large double-terminated Schorl crystal, Goshenite, and fluorescent Hyalite Opal from the mineral-rich pegmatites of Erongo makes this an uncommon and visually striking collector specimen.

Specimen Details

✓ Mineral Species: Black Tourmaline (Schorl)

✓ Associated Minerals: Goshenite (Beryl) & Hyalite Opal

✓ Locality: Erongo Region, Namibia

✓ Specimen Type: Cabinet Miniature

✓ Crystal System: Trigonal

✓ Colour: Black, Colourless & White

✓ Lustre: Vitreous

✓ Transparency: Opaque Tourmaline, Transparent Goshenite & Hyalite Opal

✓ Special Feature: Hyalite Opal fluoresces bright green under UV light

✓ Size: Approximately 43 mm × 36 mm × 34 mm

✓ Weight: 148 g

This specimen stands out for its uncommon double-terminated crystal habit, excellent crystal definition, and attractive mineral association. Pieces of this quality from Namibia's celebrated Erongo pegmatites are highly sought after, making it an excellent addition to any collection of tourmaline, fluorescent minerals, or fine worldwide mineral specimens.