Kleinite specimens for sale
1 for sale · $300 USD
17 in the gallery
Kleinite is a rare oxyhalide mineral with a hexagonal crystal system and a lustrous, adamantine to greasy appearance. It commonly forms prismatic or equant crystals and shows a yellow to orange color with a yellow streak, illuminating its distinctive look. The mineral is moderately stable and light sensitive, traits that influence its display and storage in collections.
- Formula
- Hg2N(Cl,SO4)·nH2O
- Rarity
- Rare
- Stability
- Moderately Stable
- Collector interest
- High Interest
- Classification notes
- Webmineral Dana classification: 10.04.03.01 (10) Oxyhalides and Hydroxyhalides
Key characteristics
- Crystal system
- hexagonal
- Mohs hardness
- 3.5–4
- Specific gravity
- 7.9–8
- Luster
- adamantine, greasy
- Transparency
- transparent, translucent
- Color
- yellow, orange
- Streak
- yellow
- Cleavage
- good
- Fracture
- uneven
- Crystal habit
- prismatic, equant
- Light-sensitive
- Classic / historic
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Where Kleinite is found
Top localities
- McDermitt Mine16 specimens
About Kleinite
Notable specimens have historically come from classic localities associated with mercury and nitrate-rich environments, and while it remains uncommon, high quality Kleinite crystals attract attention for their rarity and bright refractive properties. Collectors prize its provenance and chemical intrigue, as well as the way its optical and physical characteristics couple with its historic status. The combination of rarity, striking color, and the mineral’s scientific interest makes Kleinite a sought-after piece for serious mineral collections.