Ridged Iron Concretion Ball, Yunnan

SKU · GF884660469514
$108.00
Free worldwide shipping on orders of US$38 or more; below US$38: US$5 per parcel
A round Yunnan iron concretion ball, a full floater with wavy ridges and a fine grey-green sparkle.
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Dimensions
6.5 cm × 6.0 cm × 5.0 cm
Based in China · China warehouse · Shipping

Dispatch within 1–2 days. This is our general delivery estimate, not a destination guarantee; customs and carrier delays may apply.

US$38 = $38.00 · US$5 = $5.00

Shipping is free from US$38; below US$38, US$5 per parcel. Standard import duties are covered only on eligible routes. Local taxes and other applicable charges may be extra.

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Authenticity guaranteed
Hand-examined + numbered
Worldwide shipping
Insured tracked delivery
Specimen details
Review the product description
14-day return
No-questions return window

Specimen details

Dimensions6.5 cm × 6.0 cm × 5.0 cm

Some details have not been recorded. Ask us about weight, origin or repairs before buying.

About this specimen

A natural iron concretion from Yunnan, sold locally as "tiedan" stone: a round, slightly flattened ball, complete all round (no attachment point), with wavy, coral-like ridges over a grey-green surface that sparkles finely in the light.

Minerals: Iron concretion
Locality: Yunnan, China
Approximate size: 6.5 × 6 × 5 cm / 65 × 60 × 50 mm / 2.56 × 2.36 × 1.97 in
Estimated weight: about 468 g / 16.51 oz

The supplier gives no measurements; all dimensions and the weight are estimated from the photos and video, not measured.

The photographs show the exact specimen you will receive.

SKU: GF884660469514

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.

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

★★★★★4.98· Website & Etsy reviews
Ridged Iron Concretion Ball, Yunnan
Ridged Iron Concretion Ball, Yunnan
$108.00