Strontianite

Strontianite specimens for sale

177 for sale ยท $60โ€“$30,000 USD

504 in the gallery

Strontianite is a carbonate mineral composed of SrCO3. It crystallizes in the orthorhombic system and often forms prismatic, tabular, or blocky crystals with a vitreous to resinous luster and a white to colorless appearance. The mineral commonly occurs as delicate, transparent to translucent crystals that can be euhedrally terminated or intergrown, frequently found in vein and cavity fillings of carbonate rocks. Collectors typically seek clean, well-formed crystals that show sharp faces and clear zoning, especially when contrasting with associated minerals that highlight its crystal form.

Formula
SrCO3
Rarity
Uncommon
Stability
Stable
Collector interest
Moderate Interest
Classification notes
Carbonate mineral; Strunz: 5.AA

Key characteristics

Crystal system
orthorhombic
Mohs hardness
3.5
Specific gravity
3.7โ€“3.8
Luster
vitreous, resinous, pearly
Transparency
transparent, translucent
Color
colorless, white, gray, yellow, green, brown
Streak
white
Cleavage
good
Fracture
uneven, subconchoidal
Crystal habit
prismatic, acicular, fibrous, radiating, granular, massive
  • Gem mineral
  • Classic / historic

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Where Strontianite is found

About Strontianite

Notable specimens come from classic European and North American localities, with historical and current collecting interest centered in environments that host hydrothermal activity and carbonate-rich veins. Countries such as Austria, the UK, Canada, the USA, and Germany have yielded notable crystals, often from mining districts with long-standing mineralogic traditions. Strontianite is valued for its crisp habit, subtle coloration, and the way it complements other carbonate and sulfate associates, making it a staple for cabinet displays and reference collections. It provides a compact, straightforward example of strontium carbonate crystallization and local mineralogical context.