Guide
Stellerite specimens for sale
19 for sale · $100–$2,000 USD
72 in the gallery
Stellerite is a hydrated calcium silicate mineral that crystallizes in columnar to tabular forms and often displays a vitreous to resinous luster. Crystals can occur as slender, elongated prisms or as broader tablets, frequently forming on vein systems where hydrothermal fluids deposited the mineral. The mineral is typically colorless to white, and it may show a faint translucence in thin edges. Associated assemblages often include other hydrous silicates, and the mineral’s sensitivity to dehydration can influence habit and surface texture over time. Hydration makes the mineral soft to the touch in hand sample and can cause alteration if exposed to dry air for extended periods. These properties contribute to its delicate appearance and the need for careful handling.
- Formula
- Ca4(Si28Al8)O72 · 28H2O
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Tectosilicate zeolite; stilbite subgroup
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 4–4.5
- Specific gravity
- 2.12–2.18
- Luster
- vitreous, pearly
- Transparency
- transparent, translucent
- Color
- colorless, white, yellow, pink, brown
- Streak
- white
- Cleavage
- perfect
- Fracture
- uneven
- Crystal habit
- tabular, bladed, radiating, granular, massive
Buy Stellerite specimens
View all 19Where Stellerite is found
Top localities
- Nashik14 specimens
- Braen Quarry13 specimens
- Jalgaon4 specimens
- Piedra Parada2 specimens
- Sokolovskoe Iron Mine2 specimens
- Ahmednagar District1 specimen
- Bafoulabé Cercle1 specimen
- Fengjiashan Mine1 specimen
- Jalgaon District1 specimen
- Kibblehouse Quarry1 specimen
Guides
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About Stellerite
Stellerite specimens are reported from several notable localities, including India, Kazakhstan, the United States, Australia, and Mexico, where hydrothermal activity and carbonate-rich environments produced crystalline sheets and plates. Collectors prize well-formed tabular crystals and aesthetic, glassy faces that catch light when displayed. The mineral’s combination of translucence, soft tones, and layered habits lends itself to mineral cabinets and display cases, where it can pair well with other hydrous silicates and minerals from hydrothermal settings. While not one of the most common minerals, well-documented habit and locality variety make Stellerite a thoughtful addition for thematic or locality-focused collections.
