Argentopyrite specimens for sale
12 for sale · $300–$9,500 USD
5 in the gallery
Argentopyrite is a sulfide mineral with a metallic luster and an opaque appearance. It crystallizes in the orthorhombic system and typically forms prismatic and tabular habits, with a gray to brown color and a gray to black streak. Mohs hardness is 3.5–4, and its specific gravity ranges from 4.2 to 4.3, reflecting a dense metallic mineral suited to studio-quality specimens.
- Formula
- AgFe2S3
- Rarity
- Rare
- Stability
- Moderately Stable
- Collector interest
- High Interest
- Classification notes
- Sulfides; Strunz 2.CB.65
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 3.5–4
- Specific gravity
- 4.2–4.3
- Luster
- metallic
- Transparency
- opaque
- Color
- gray, brown
- Streak
- gray, black
- Cleavage
- none
- Fracture
- uneven
- Crystal habit
- prismatic, tabular
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About Argentopyrite
Notable localities include the Czech Republic and Germany, where argentopyrite crystals are sought after for their sharp, well-formed faces and solid luster. Specimens from these sources can exhibit clean terminations and intact crystal forms, contributing to their desirability among collectors. Argentopyrite is valued for its classic sulfide composition and recognizable metallic sheen, making it a solid addition to well-rounded mineral assemblies and display cabinets.