An exceptional natural cavansite mineral specimen from India, showcasing the vivid electric-blue crystal clusters that have made this rare mineral one of the most recognizable collector specimens in the mineral world. Formed within the ancient volcanic basalts of the Deccan Traps, cavansite typically grows as delicate rosette-like crystal spheres atop zeolite matrices such as stilbite or apophyllite. Its color, rarity, and geological story make it a prized addition to serious mineral collections.
Highlights
• Rare collector mineral from the world-famous Deccan Traps of India
• Brilliant electric-blue cavansite crystal clusters
• Often associated with zeolite minerals such as stilbite or apophyllite
• Exceptional aesthetic contrast between bright crystals and matrix
• Highly desirable display specimen for mineral collectors
• Classic locality mineral from the Wagholi quarry region
• Museum-style specimen ideal for display cabinets
Specifications
Mineral: Cavansite
Chemical Formula: Ca(VO)Si₄O₁₀·4H₂O
Mineral Class: Silicate (Phyllosilicate subgroup)
Crystal System: Orthorhombic
Color: Electric blue to deep azure
Luster: Vitreous
Transparency: Transparent to translucent
Mohs Hardness: 3 – 4
Crystal Habit: Rosettes, radiating clusters, spherical aggregates
Associated Minerals: Stilbite, Heulandite, Apophyllite, Calcite, Quartz
Country of Origin: India
Dimensions
See product listing photos for exact specimen measurements.
Detailed Description
Few minerals capture attention quite like cavansite. Its intense cobalt-blue color appears almost unreal against the pale zeolite matrix it often grows upon. This striking contrast has made cavansite one of the most recognizable and sought-after secondary minerals found in volcanic basalt cavities.
The finest specimens come from the quarries near Wagholi in Maharashtra, India, where cavansite forms as small radiating crystal clusters resembling tiny blue fireworks or blossoms frozen in stone. These clusters often sit delicately on creamy stilbite or sparkling apophyllite, creating breathtaking natural mineral compositions.
Collectors prize cavansite not only for its beauty but also for its rarity. The mineral occurs in only a handful of locations worldwide, and the Indian deposits remain the most famous and productive. Each specimen represents a unique geological event that unfolded millions of years ago deep within volcanic rock.
Whether displayed in a mineral cabinet, photography setup, or educational collection, cavansite offers a brilliant splash of color and geological wonder.
Locality
Deccan Traps region
Wagholi Quarry District
Pune, Maharashtra
India
This region is the world’s most famous source of cavansite specimens.
Geological Formation
Cavansite forms in vesicles (gas cavities) within basaltic lava flows. After the lava cooled, mineral-rich hydrothermal fluids circulated through these cavities. Over time, dissolved elements crystallized to form cavansite alongside zeolite minerals.
The mineralization occurred long after the volcanic eruptions, as water and chemical solutions reacted with the surrounding rock.
Mineralogy Information
Cavansite is a hydrated calcium vanadium silicate mineral. Its distinctive bright blue coloration comes from the presence of vanadium ions within its crystal structure.
It often forms spherical aggregates composed of radiating crystals, sometimes resembling tiny starbursts or rosettes. Cavansite commonly occurs alongside minerals of the zeolite group.
Key Features
• Intense natural electric-blue coloration
• Radiating crystal clusters resembling miniature fireworks
• Classic zeolite-cavity mineral formation
• Highly photogenic display specimen
• Rare mineral with limited global occurrences
Geological Era
Late Cretaceous (~66 million years ago)
The cavansite formed within basalt layers produced by the massive volcanic eruptions that created the Deccan Traps, one of the largest volcanic provinces on Earth.
Mineral Class
Silicate Mineral
Phyllosilicate Subgroup
Rock Formation
Flood basalt lava flows of the Deccan Traps volcanic province.
These eruptions produced thick layers of basalt across western India, creating ideal conditions for the formation of zeolite minerals and cavansite within gas cavities.
Historical & Folklore Notes
Cavansite was first scientifically described in 1967 in Oregon, USA. However, it gained global fame once spectacular specimens began emerging from the quarries near Pune, India in the 1970s and 1980s.
Since then, these Indian deposits have produced some of the finest cavansite specimens ever discovered, cementing the region as the classic locality for the mineral.
Why Collectors Love It
• Iconic electric-blue mineral color
• Rare species with limited localities
• Classic association with zeolite minerals
• Photogenic display specimens
• Recognizable museum-quality mineral
• Highly desirable among advanced collectors
Cavansite specimens from India are considered essential pieces for serious mineral collections.
Display & Care Instructions
• Display in a stable mineral cabinet or shelf
• Avoid prolonged direct sunlight to preserve color vibrancy
• Handle carefully—crystals are delicate
• Use compressed air or a soft brush for cleaning dust
• Avoid water exposure if matrix contains delicate zeolite minerals
Shipping & Handling
At Wandering Stones, every specimen is carefully packaged to ensure safe arrival.
• Individually wrapped and cushioned
• Double-boxed for protection
• Fully insured shipping
• Carefully packed by experienced mineral collectors
We treat every specimen like the natural treasure it is.
A Metaphysical Nod
Some crystal enthusiasts believe cavansite carries uplifting and visionary energy due to its vibrant blue color and vanadium content. It is often associated with clarity of thought, communication, and spiritual insight.
Believers sometimes connect cavansite with the following energetic centers:
• Third Eye Chakra – intuition and inner vision
• Throat Chakra – communication and expression
Suggested mantra for meditation:
“Clarity flows through me. Insight reveals my path.”
While these metaphysical ideas are rooted in spiritual traditions rather than science, many collectors enjoy reflecting on the symbolic meaning minerals can hold.
Why Trust Wandering Stones
At Wandering Stones, we are passionate mineral collectors and educators who believe every specimen tells a story.
We focus on:
• Authentic natural minerals
• Carefully sourced specimens
• Collector-grade display pieces
• Geological education and transparency
• Thoughtful packaging and customer care
Our mission is to connect people with the wonder of Earth’s natural mineral treasures.
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