Brazil

Bladed Vivianite Crystal with Silvery Cleavage, Brazil

SKU · ne085
$40.91
Free worldwide shipping on orders of US$38 or more; below US$38: US$5 per parcel

A single vivianite blade, 5.6 cm tall, bottle-green through its translucent core and frayed along one side into silvery cleavage fibres. From Brazil, 10 g, mounted upright on the clear acrylic base pictured.

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Hand-examined + numbered
Worldwide shipping
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Specimen details
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Specimen details

MineralVivianite
LocalityBrazil
Crystal systemMonoclinic
Chemical formulaFe2+3(PO4)2 · 8H2O
Dimensions5.6 cm × 1.5 cm × 1.0 cm
Weight10 g
ColorGreen
Materialnull

Tags

collector's itemnatural specimenmineral displaygemstone displayenergy stonesnatural beautyunique minerals

About this specimen

Stood on end, this is a single blade a little over five centimetres tall: bottle-green where light passes through the middle of the crystal, almost black along its thicker edges, and split down one side into a sheaf of silvery fibres that catch light like brushed steel. Two small ochre crumbs cling near the upper edge. Backlit, the green core glows; in flat light the blade reads nearly black.

That silvery fraying is vivianite behaving exactly as vivianite does. It is a hydrated iron phosphate with one perfect cleavage direction and a hardness of only about 2, so the blade parts into flexible lamellae under almost no pressure. Freshly mined material can be nearly colourless and darkens as its iron oxidises in light — keep this one out of direct sun and away from warm lamps if you want the present colour to hold.

The blade measures 5.6 × 1.5 × 1.0 cm and weighs 10 g. It arrives mounted upright on the clear acrylic block in the photographs, anchored by white putty. This is the crystal photographed, not a stand-in.

About Vivianite

Vivianite is a phosphate mineral recognized among collectors for its crystal form and distribution, with known Chinese sources.

Learn more about Vivianite in our encyclopedia

About Brazil

Brazil is one of the world's great mineral and gem countries — a vast source of pegmatite gems, amethyst, and fine crystal specimens.

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 Vivianite 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
Bladed Vivianite Crystal with Silvery Cleavage, Brazil
Bladed Vivianite Crystal with Silvery Cleavage, Brazil
$40.91