I received six rocks in my purchase order all as expected, and I will use mineral box again

An Inner Mongolia bismuthinite in its hair-fine acicular habit: thousands of silvery, almost thread-thin needles lie matted across a dark grey matrix, threaded with small colourless quartz crystals. Mohs 2 and extremely delicate. 9.1 × 4.3 × 6.4 cm, 221 g.
| Mineral | Bismuthinite |
|---|---|
| Locality | China |
| Crystal system | Orthorhombic |
| Chemical formula | Bi2S3 |
| Dimensions | 9.1 cm × 4.3 cm × 6.4 cm |
| Weight | 221 g |
| Color | Metallic |
| Size | Small Cabinet (2–4 inches / 5–10 cm) |
| Species | Stibnite |
| Condition | No damage on display faces |
At arm’s length it looks as though someone has drawn spun metal over the rock. Move closer and the haze resolves into thousands of bismuthinite needles — silvery, hair-thin, some longer than a centimetre — lying matted and interwoven across a dark grey-black matrix. Small colourless quartz crystals push up through the felt in glassy knots, and pale carbonate crusts show along the lower edge where the needle cover thins out.
Bismuthinite is bismuth sulfide, Bi2S3, orthorhombic, and at Mohs 2 it is softer than a fingernail. In this acicular habit that softness is the whole story for a collector: the needles will bend or shear under a brush, a fingertip or a careless wrap, and they do not grow back. Display it under a dome or in a closed case, move it by the matrix, and never dust it.
The piece measures 9.1 × 4.3 × 6.4 cm and weighs 221 g, wedge-shaped and stable on its broad base. These photographs document the very specimen offered here.
Bismuthinite is a sulfide mineral known for its striking metallic crystals, with known Chinese sources.
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.
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.
Orders ship worldwide with fully insured, tracked delivery, carefully packed to protect fragile crystals. A display base is included.
Yes — there is a 14-day return window.
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