Armenite specimens for sale
2 for sale · $450–$3,000 USD
6 in the gallery
Armenite is a hydrated barium calcium aluminum silicate that forms as transparent to pale crystals in pegmatitic and related hydrothermal environments. Crystals commonly exhibit prismatic to tabular habits with a vitreous to subadamantine lustre, and can appear colorless or faintly white. The mineral’s structure includes layered silicate sheets, and it often occurs with other framework silicates in low-frequency, high-quality specimens.
- Formula
- BaCa2Al6Si9O30·2H2O
- Rarity
- Rare
- Stability
- Stable
- Collector interest
- Moderate Interest
- Classification notes
- Cyclosilicate, armenite group
Key characteristics
- Crystal system
- hexagonal
- Mohs hardness
- 7–7.5
- Specific gravity
- 2.74–2.77
- Luster
- vitreous
- Transparency
- transparent, translucent
- Color
- colorless, white, gray, pink
- Streak
- white
- Cleavage
- distinct
- Fracture
- conchoidal, uneven
- Crystal habit
- prismatic, tabular, granular, massive
Buy Armenite specimens
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Where Armenite is found
Top localities
- Wasen Alp3 specimens
About Armenite
Striking examples have been recovered from Switzerland, a region noted for producing well-formed armenite crystals associated with hydrated silicate assemblages. Collectors prize clear, well-terminated crystals that reveal its distinctive cleavage and optic properties under polarized light, as well as its relative rarity among hydrated silicates. The combination of delicate habit, brightness, and limited availability makes armenite a sought-after mineral for display and comparative study within mineral collections.