Blue Stalactitic Chalcedony with Apophyllite Druzy – Maharashtra, India – 0.23 lbs

An unusual Blue Stalactitic Chalcedony with Apophyllite Druzy specimen from Maharashtra, India, featuring layered pale blue-green chalcedony formations almost completely covered by sparkling colorless crystals. Mounted upright for display, the specimen presents a sculptural, plate-like silhouette with raised tubes, recessed cavities, and crystallized surfaces visible from multiple angles.

The underlying chalcedony ranges from icy blue to soft seafoam green. Several projecting sections appear hollow or partially open, preserving the tubular architecture associated with stalactitic growth. Thin brown mineral seams remain visible along portions of the formation, creating natural contrast and helping define the individual layers.

A dense coating of transparent to translucent microcrystals covers much of the chalcedony. Based on their glassy luster and small blocky-to-pyramidal forms, the coating is most consistent with apophyllite druzy, a classic association found in the Deccan Traps. Some of the larger crystals rise above the finer coating and produce bright reflections beneath direct lighting.

Measuring approximately 2.25 × 2 × 3.25 inches and weighing 0.23 pounds, this mounted specimen offers excellent cabinet presence for its compact size. Its pastel coloration, sparkling druzy coverage, hollow growth features, and complex three-dimensional form make it an appealing example of Maharashtra’s volcanic-cavity mineralization.

Specifications

Minerals: Blue Chalcedony with probable Apophyllite

Formation: Stalactitic and plate-like chalcedony with druzy crystal coverage

Locality: Maharashtra, India

Weight: 0.23 lbs (approximately 104 grams)

Dimensions: Approximately 2.25 × 2 × 3.25 inches

Color: Pale blue to seafoam green with colorless, white, and natural brown accents

Crystal Habit: Layered and tubular chalcedony coated with fine blocky-to-pyramidal crystals

Luster: Waxy chalcedony with vitreous, sparkling druzy

Transparency: Translucent to opaque chalcedony with transparent to translucent crystals

Mounting: Affixed to a display base

Condition: Natural mineral specimen with naturally occurring openings, contacts, inclusions, and surface variations

Display: Upright collector specimen

Exact specimen shown

About Chalcedony and Apophyllite

Chalcedony is a microcrystalline form of silica composed primarily of extremely fine intergrowths of quartz and moganite. It commonly develops as crusts, rounded botryoidal masses, layered plates, stalactites, and hollow tubular formations.

Apophyllite is the collector name used for a group of hydrated potassium-calcium silicate minerals known for their brilliant glass-like luster and distinctive geometric crystals. Many Maharashtra specimens are fluorapophyllite-(K), although precise species-level identification requires analytical testing.

Maharashtra lies within the Deccan Traps, an immense volcanic province internationally known for producing chalcedony, apophyllite, stilbite, heulandite, calcite, and other secondary minerals. Gas cavities preserved inside ancient basalt flows later became pathways and protected spaces for mineral-rich fluids.

The chalcedony likely formed during an earlier stage of silica deposition. Later fluids introduced the sparkling crystals that now coat its surfaces, recording multiple episodes of mineral growth within the original volcanic cavity.

Collector Notes

This specimen features:

• Pale blue to seafoam-green chalcedony
• Stalactitic, tubular, and plate-like growth
• Several natural openings and recessed cavities
• Dense coverage of sparkling druzy crystals
• Crystal habit consistent with apophyllite
• Larger reflective crystals above the finer druzy
• Natural brown mineral seams and inclusions
• Evidence of multiple mineralization stages
• Complex three-dimensional architecture
• Material from Maharashtra’s renowned Deccan Traps
• Mounted upright for immediate display
• One-of-a-kind natural mineral formation
• Exact specimen pictured

Perfect for collectors of blue chalcedony, apophyllite, Indian zeolites, crystallized stalactites, druzy minerals, Maharashtra specimens, Deccan Traps minerals, mounted formations, and sculptural cabinet specimens.

Professionally packaged and shipped from Colorado.

You will receive the exact specimen shown.

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