Chalcopyrite on Quartz Matrix Specimen

SKU · 8f64mWsfPOHUjmV7
$95.00
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A mirror-bright bronze chalcopyrite crystal with a second, steel-silver metallic crystal stacked above it, set in a cream druse with a small colourless quartz crystal below. 8.1 × 5.1 × 5.1 cm, 250 g.

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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

MineralQuartz
Locality
Crystal systemHexagonal
Chemical formulaSiO₂
Dimensions8.1 cm × 5.1 cm × 5.1 cm
Weight250 g
ColorMetallic
SizeSmall Cabinet (2–4 inches / 5–10 cm)
SpeciesChalcopyrite
ConditionNo damage on display faces

Tags

Mineral Collectinghome decorcollector's itemcrystal formationmineral specimenmetallic lusterchalcopyritenatural stonegeologychalcopyrite specimenUnder $100quartzUnder $250

About this specimen

Two blocky metallic crystals hold this specimen, stacked one above the other. The upper is steel-silver with a brassy cast and a wrinkled, etched-looking surface; the lower is warm bronze-brown, its broad face polished to a mirror and ruled with fine growth striations. Both sit in a cream-white sugary druse that spreads away to one side in a low mound, with a single colourless quartz crystal glinting at the base.

Chalcopyrite is copper iron sulphide, CuFeS2, Mohs 3.5 to 4 — brass-yellow on a fresh break, but exposed faces tarnish quickly to precisely the bronze, pewter and gunmetal tones seen here. That tarnish is a surface film and is best left alone: scrubbing it back to bright metal strips the patina collectors look for and can etch the crystal faces in the process.

The specimen measures 8.1 × 5.1 × 5.1 cm and weighs 250 g. No stock photography here — the images record this piece, mounted on the clear acrylic block that ships with it.

About Quartz

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

Learn more about Quartz in our encyclopedia

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 Quartz 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
Chalcopyrite on Quartz Matrix Specimen
Chalcopyrite on Quartz Matrix Specimen
$95.00