At first I thought I didn't get it, then I found it! It's beautiful and I love it! Thank you so much.
Arsenopyrite with Quartz and Calcite
This is a superb specimen of Arsenopyrite, featuring sharp, metallic-gray crystals with brilliant iridescent luster, beautifully displayed on a contrasting matrix of white calcite and clear quartz. The chalcocite crystals are well-formed with defined edges and an attractive natural sheen, showcasing textbook crystallography.
This piece exhibits a striking visual contrast between the dark metallic Arsenopyrite and the bright, white matrix. The matrix hosts delicate water-clear quartz crystals and layered calcite, adding to the overall aesthetic. The entire piece is perfectly balanced and mounted for optimal display.
Ideal for mineral collectors, metaphysical enthusiasts, or display curators looking to add a rare and visually captivating sulfide mineral to their collection.
Origin: Likely Congo or China (specify if you know)
Size: 1.7 × 1.4 × 1.2
Weight: 55g ≈ 1.94 oz
Specimen details
| Mineral | Quartz |
|---|---|
| Locality | — |
| Crystal system | Hexagonal |
| Chemical formula | SiO₂ |
| Dimensions | 4.3 cm × 3.6 cm × 3.0 cm |
| Weight | 55 g |
| Color | Metallic |
| Size | Miniature (up to 2 inches / up to 5 cm) |
| Species | Calcite |
Tags
About this specimen
This exceptional Arsenopyrite Cluster with Quartz and Calcite is a stunning natural specimen sourced from Peru. The cluster features multiple well-formed crystals displaying metallic luster that makes it a standout addition to any mineral collection.
Calcite (CaCO₃) crystallizes in the trigonal crystal system with a Mohs hardness of 3. This mineral is known for strong double refraction (birefringence), rhombohedral cleavage, and reactivity with dilute hydrochloric acid. Specimens from Peru are particularly valued among collectors for their quality and character.
This specimen weighs 1.94 oz (55.0 g) and measures approximately 1.7 × 1.4 × 1.2 inches, representing a rare example. Each specimen is carefully hand-selected to ensure excellent crystal development, natural aesthetics, and display-worthy presentation. Photographs represent the actual specimen you will receive.
Whether you are a seasoned mineral collector, a geology enthusiast, or searching for a distinctive natural display piece, this Calcite specimen offers exceptional quality and visual appeal. It makes an impressive addition to a specimen cabinet, educational display, or curated mineral collection — Calcite is one of the most common minerals on Earth, valued by collectors for its incredible crystal diversity and optical properties.
About Quartz
Quartz is a silicate mineral prized by collectors for its exceptional color range, with several world-class Chinese localities.
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.
Can I return it?
Yes — there is a 14-day return window.
What collectors say
★★★★★4.97· Website & Etsy reviewsAwesome crystal, as described, thanks!!
Amazing quality and great shipping.

Good tracking and a pretty piece

Its Nice and beautiful as described

Alles prima, schneller versand und wie beschrieben

Great piece for the cabinet

This is a stunning piece of grape agate for a fair price. It was beautifully packaged and arrived quickly. I am so happy with my purchases from this vendor and look forward to securing more items from them in the future. Highly recommend this shop.

I am beyond thrilled with this transaction. The item is really beautiful and was so well packaged. It came very quickly and a very nice surprise is that it came with a little stand and the material to adhere it.

Everything was beautiful. Thank you so much! I would love to purchase from you again.

Everything was beautiful. Thank you so much! I would love to purchase from you again.

Everything was beautiful. Thank you so much! I would love to purchase from you again.

What a beautiful specimen of garnet. I am very happy with my purchase. It came well packaged and shipped quickly. They also included a nice gift. Thank you very much.

Beautiful cluster! I love the unique crystal formation and the way the hematite adds so much character to the piece. I'm very happy with my purchase. Thank you!

The item matches the description

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

Everything was good with my order I will buy from them again in the future

Very nice as advertised. Came well packaged

I am very pleased with the rock specimen. It was just like described.

getting here was a long trip but it made it in fine fashion. nice looking and will look great with my other samples. thanks again!!










