A striking electric-blue Pentagonite crystal spray dramatically perched on natural matrix from the famous basalt quarries of India. Pentagonite is one of the most visually captivating and rare zeolite-associated minerals known to collectors, recognized for its vibrant blue color and delicate starburst crystal formations. This specimen displays an intense azure crystal cluster contrasted against a rugged natural matrix, creating a museum-worthy display piece prized by serious mineral collectors.
Highlights
• Rare electric blue Pentagonite crystal spray
• Exceptional contrast between bright crystals and natural matrix
• Classic Deccan Traps basalt locality specimen
• Highly desirable mineral among advanced collectors
• Vibrant radiating crystal formation
• Natural, unaltered collector specimen
• Ideal for display or advanced mineral collections
Specifications
Mineral: Pentagonite
Color: Electric blue / vivid azure
Crystal Habit: Radiating acicular crystal spray
Transparency: Translucent
Luster: Vitreous to silky
Formation: Zeolite mineral association
Condition: Natural collector specimen on matrix
Dimensions: See product listing photos for exact measurements
Detailed Description
Few minerals capture attention quite like Pentagonite, a rare polymorph closely related to cavansite but prized for its distinctive crystal structure and vibrant electric-blue color. This specimen features a radiant spray of slender, needle-like crystals emerging from the host matrix, forming a starburst cluster that appears almost luminous against the earthy tones of the rock.
Pentagonite crystals grow in delicate radiating bundles, often forming small yet visually powerful clusters that seem to glow with an almost neon blue intensity. The contrast between the vibrant crystal spray and the rugged volcanic matrix enhances the aesthetic beauty of the specimen.
Collectors value Pentagonite not only for its rarity but also for its unmistakable color saturation. Specimens from India are considered the finest in the world, and pieces displaying such vibrant crystal sprays are highly sought after by mineral enthusiasts and museum collectors alike.
Locality
Wagholi / Pune District
Maharashtra, India
This region lies within the famous Deccan Traps volcanic province, one of the largest volcanic formations on Earth and a globally renowned source of spectacular zeolite minerals.
Geological Formation
Pentagonite forms in secondary hydrothermal environments within basalt cavities. These cavities, or vesicles, were originally gas bubbles trapped within ancient lava flows.
Over millions of years, mineral-rich fluids circulated through the basalt, depositing crystals inside these voids. Pentagonite commonly forms alongside other zeolite minerals such as:
• Cavansite
• Stilbite
• Heulandite
• Apophyllite
• Calcite
Mineralogy Information
Chemical Formula: Ca(VO)Si₄O₁₀·4H₂O
Crystal System: Orthorhombic
Hardness: 3 – 4 (Mohs scale)
Mineral Group: Phyllosilicate / Zeolite-associated minerals
Pentagonite is a dimorph of cavansite, meaning both minerals share the same chemical composition but form different crystal structures. Pentagonite crystals are typically more elongated and needle-like compared to cavansite’s rosette formations.
Key Features
• Rare dimorph of cavansite
• Electric blue crystal coloration
• Radiating acicular crystal sprays
• Classic zeolite district locality
• Exceptional contrast against natural matrix
• Highly aesthetic collector display specimen
Geological Era
The host basalts belong to the Late Cretaceous Deccan Traps volcanic eruptions, which occurred approximately 66 million years ago, around the time of the dinosaur extinction events.
These immense volcanic flows created thousands of mineral-filled cavities that would later produce some of the world’s finest zeolite minerals.
Mineral Class
Silicates – Phyllosilicates (Zeolite-associated mineral group)
Rock Formation
Deccan Traps Basalt
This immense volcanic province covers much of western India and represents one of the largest flood basalt events in Earth’s history.
Historical & Folklore Notes
Pentagonite was only formally recognized as a distinct mineral in 1973, making it relatively recent in the mineralogical record. Before this discovery, many specimens were mistakenly identified as cavansite.
Due to its striking color and rarity, the mineral quickly became a favorite among collectors and museum curators. Specimens from the Pune region remain the global standard for quality.
Why Collectors Love It
• Intense electric blue color rarely found in nature
• Unique radiating crystal sprays
• Rare mineral species with limited locality
• Exceptional contrast against matrix
• Highly recognizable and desirable display mineral
• Strong collector demand within zeolite communities
Pentagonite specimens are often centerpiece minerals in advanced collections due to their rarity and unmistakable beauty.
Display & Care Instructions
Pentagonite crystals are delicate and should be handled with care.
Recommended care:
• Display in a stable cabinet or mineral display case
• Avoid direct sunlight for extended periods
• Handle only by the matrix base
• Keep away from excessive moisture
• Dust gently using a soft brush or air blower
Shipping & Handling
At Wandering Stones, every specimen is carefully prepared for safe transit.
Your mineral will be:
• Individually wrapped in protective cushioning
• Securely packaged in a reinforced box
• Fully insured during shipping
• Carefully handled to protect delicate crystal structures
Tracking information is provided immediately upon shipment.
A Metaphysical Nod
Some crystal enthusiasts believe Pentagonite carries uplifting and transformative energy due to its vibrant blue color and connection to the element of water and sky.
Often associated with the Throat Chakra and Third Eye Chakra, Pentagonite is thought to encourage clear communication, expanded awareness, and emotional clarity.
Common metaphysical associations include:
• Enhancing intuition
• Encouraging authentic expression
• Inspiring creative insight
• Promoting emotional balance
Suggested mantra when working with Pentagonite:
“My voice is clear, my mind is open, and truth flows freely through me.”
While metaphysical properties are based on personal beliefs rather than scientific evidence, many collectors enjoy the symbolic meaning these minerals can hold.
Why Trust Wandering Stones
At Wandering Stones, minerals are more than objects — they are pieces of Earth’s deep history.
We carefully source and curate specimens from trusted miners and suppliers around the world, selecting pieces that meet our standards for authenticity, beauty, and geological significance.
What sets us apart:
• Authentic natural mineral specimens
• Carefully curated collector pieces
• Ethically sourced from reputable suppliers
• Professional packaging and safe delivery
• Passion for minerals and geology
Every specimen is chosen because it tells a story millions of years in the making.
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