Namibia

Aquamarine with Black Tourmaline – Erongo Mountains, Namibia

SKU · 1065
$175.50 $195.00
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A water-clear beryl prism stands about 1.5 cm clear of a dark cluster of black schorl tourmaline from the Erongo Mountains, Namibia. A thumbnail at 3.3 × 2.3 × 3.8 cm and 20 g, mounted on a clear acrylic block.

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Authenticity guaranteed
Hand-examined + numbered
Worldwide shipping
Insured tracked delivery
Display-ready
Acrylic base included
14-day return
No-questions return window

Specimen details

MineralAquamarine
LocalityNamibia
Crystal systemHexagonal
Chemical formulaBe3Al2Si6O18
Dimensions3.3 cm × 2.3 cm × 3.8 cm
Weight20 g
ColorBlack, Blue
SizeMiniature (up to 2 inches / up to 5 cm)
SpeciesAquamarine
ConditionNo damage on display faces

Tags

collector's mineralmineral collectionaquamarineblack tourmalinenamibiaDecorative Mineralsunique specimenNatural Artistryaquamarine specimenUnder $250

About this specimen

One beryl prism stands straight up out of a dark knot of schorl, water-clear, lightly striated down its length and rising about 1.5 cm clear of the matrix before its termination catches the light. The tourmaline beneath is a tight cluster of stubby black crystals dusted with pale tan feldspar and clay, and that dull ground is what throws the transparent prism into relief.

The Erongo Mountains are better known for saturated blue aquamarine, but the same pockets give crystals like this one: essentially colourless, holding only the faintest blue-green cast when it is turned against a white card. Beryl (Be3Al2Si6O18) is hard at Mohs 7.5 to 8, though a free-standing prism this slender wants its tip protected in transit and on the shelf.

A true thumbnail: 3.3 × 2.3 × 3.8 cm and 20 g. It arrives on the clear acrylic block seen in the photographs, fixed with white putty, and those photographs document this thumbnail exactly.

About Aquamarine

Aquamarine is a cyclosilicate mineral valued for its hardness and gem potential, with known Chinese sources.

Learn more about Aquamarine in our encyclopedia

About Namibia

Namibia is one of the world's premier mineral countries — home of Tsumeb, the Erongo, and a wealth of gem and rare-mineral localities.

More specimens from this locality

Frequently asked questions

Will I receive the exact specimen shown?

Yes. Every specimen is a single, one-of-a-kind piece, and the photographs show the exact item you will receive — never a stock photo.

Is this Aquamarine natural?

Yes — specimens like this form naturally. As is standard in the trade, some pieces are gently cleaned or trimmed; we photograph the actual specimen and describe its origin and condition conservatively.

How is it packed and shipped?

Orders ship worldwide with fully insured, tracked delivery, carefully packed to protect fragile crystals. A display base is included.

Can I return it?

Yes — there is a 14-day return window.

What collectors say

★★★★★4.97· Verified reviews
Aquamarine with Black Tourmaline – Erongo Mountains, Namibia
Aquamarine with Black Tourmaline – Erongo Mountains, Namibia
$195.00$175.50