Inner Mongolia, China

Deep Purple Phantom Fluorite Cubes, Inner Mongolia

SKU · H1063
$122.73
Free worldwide shipping on orders of US$38 or more; below US$38: US$5 per parcel

Fluorite cubes so deeply purple they read as black, lit violet along the edges and stepped with phantoms inside, banked on a crust of pale olive spheres. Inner Mongolia, on a clear acrylic block. 6.1 × 5.0 × 4.4 cm, 135 g.

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Specimen details
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Specimen details

MineralFluorite
LocalityInner Mongolia, China
Crystal systemIsometric
Chemical formulaCaF₂
Dimensions6.1 cm × 5.0 cm × 4.4 cm
Weight135 g
ColorGreen
ConditionNo damage on display faces

About this specimen

The cubes on this Inner Mongolia specimen are purple pressed so far past velvet that they read as black until light gets behind them, at which point the edges glow violet and the interiors give up step after step of squared-off phantom growth. Banked around and beneath them is a crust of pale olive-yellow spheres, matte and botryoidal, which throws the dark fluorite forward.

Phantoms form when growth pauses long enough for a film of another mineral, or simply a change in the fluid, to settle on the crystal faces before growth resumes; the outline of the smaller, earlier cube stays sealed inside the larger one. The near-black saturation comes from colour centres in the CaF2 lattice. Fluorite is Mohs 4 with perfect octahedral cleavage, so handle it by the matrix and not by the corners.

Size 6.1 × 5.0 × 4.4 cm, weight 135 g. Photographed on the clear acrylic block it comes mounted on, this is the specimen that ships.

About Fluorite

Fluorite is a halide mineral prized by collectors for its exceptional color range, with several world-class Chinese localities.

Learn more about Fluorite in our encyclopedia

About Inner Mongolia

Inner Mongolia, China — collector specimens of fluorite and barite.

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 Fluorite 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.

Can I return it?

Yes — there is a 14-day return window.

What collectors say

★★★★★4.97· Verified reviews
Deep Purple Phantom Fluorite Cubes, Inner Mongolia
Deep Purple Phantom Fluorite Cubes, Inner Mongolia
$122.73