Guide
Cavansite specimens for sale
74 for sale · $50–$75,001 USD
329 in the gallery
Cavansite is a hydrated calcium vanadate mineral that forms delicate blue to blue-green crystals and fibrous aggregates. Its resinous to vitreous luster and distinctive radiating sprays create striking specimens, often seen enriching cluster specimens or lining matrix pockets. The mineral frequently occurs as small, vivid blooms that glimmer when cut or viewed under light, with crystal habit that can exhibit needle-like or platy forms in compact clusters.
- Formula
- Ca(VO)Si4O10 · 4H2O
- Rarity
- Rare
- Stability
- Moderately Stable
- Collector interest
- Very High Interest
- Classification notes
- Silicate; phyllosilicate, cavansite group
Key characteristics
- Crystal system
- orthorhombic
- Mohs hardness
- 3–4
- Specific gravity
- 2.21–2.31
- Luster
- vitreous, pearly
- Transparency
- transparent, translucent
- Color
- blue, green
- Streak
- white, blue
- Cleavage
- good
- Fracture
- uneven
- Crystal habit
- prismatic, radiating, druzy
Buy Cavansite specimens
View all 74Where Cavansite is found
Top localities
- Wagholi Quarries31 specimens
- Wagholi25 specimens
- Jalgaon17 specimens
- Pune District8 specimens
- Owyhee Dam7 specimens
- India4 specimens
- Maharashtra1 specimen
Guides
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About Cavansite
Notable specimens come from classic Poona and surrounding regions in India, where Cavansite is celebrated for its intense hue and well-formed, intricate aggregates. Other productive areas include select locales in the United States and Morocco, contributing rarer, more compact examples that appeal to collectors seeking color contrast and rarity. The ease with which Cavansite can be enhanced by careful cleaning makes it a rewarding display piece for cabinets and dioramas alike.
Collectors value Cavansite for its vivid color, crisp crystal shapes, and the way it highlights vanadium-rich chemistry in a mineral backdrop. Its visually striking sprays and associations with matrix minerals provide compelling specimens that stand out in a collection focused on color and mineralogical character.
