Elpidite specimens for sale
4 for sale · $150–$1,500 USD
19 in the gallery
Elpidite is a hydrated sodium zircon silicate that forms colorless to pale yellow, transparent to translucent crystals with a glassy to vitreous luster. It typically occurs in zeolite-bearing pockets within alkaline igneous rocks and in hydrothermal environments, where it can crystallize as well-formed prismatic and tabular habit in relatively small sizes. Notable specimens have originated from a number of global locales, reflecting its specialized formation conditions and rarity. Collectors prize elpidite for its crisp crystal forms, clarity, and the scientific interest tied to its hydration state and association with other high-temperature, low-alumina minerals.
- Formula
- Na2ZrSi6O15 · 3H2O
- Rarity
- Rare
- Stability
- Moderately Stable
- Collector interest
- Very High Interest
- Classification notes
- Silicate, inosilicate; Strunz 9.DG zirconium-titanium silicates
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 5–5.5
- Specific gravity
- 2.52–2.56
- Luster
- vitreous, silky
- Transparency
- transparent, translucent
- Color
- colorless, white, gray, yellow, pink, brown
- Streak
- white
- Cleavage
- perfect
- Fracture
- uneven
- Crystal habit
- prismatic, acicular, fibrous, radiating, massive
Buy Elpidite specimens
View all 4Where Elpidite is found
Top localities
- Poudrette Quarry10 specimens
- Mont Saint-Hilaire3 specimens
- Imilchil Cercle1 specimen
- Carrière Poudrette1 specimen
About Elpidite
Despite its scarcity, elpidite attracts attention from mineral enthusiasts who value unusual hydration-bearing silicates. The mineral’s delicate appearance and connection to specific geological settings make well-documented specimens highly desirable for display and study. When available, elpidite pairs well with complementary minerals from alkaline or hydrothermal environments, offering a compact yet striking addition to a collection focused on rare silicates and hydrated phases.










