Black Chalcedony Plate with Calcite

Rich, dark, and quietly striking, black chalcedony features a deep charcoal-to-near-black exterior with sparkling crystal interiors that reveal subtle undertones in the light. Often appearing almost solid at first glance, the surface comes alive with fine druzy points that shimmer with hints of gray, silver, or muted purple when viewed up close.

Each piece carries a natural contrast between its rugged outer form and its intricate crystalline interior, giving it a bold yet refined presence.

Botryoidal Formation — Naturally Sculpted Crystal

Smooth, rounded, and organically formed, botryoidal crystals develop in clustered, bubble-like shapes that create a soft, sculptural surface. This unique formation gives the piece a flowing, almost liquid appearance, with gentle curves that catch and diffuse light in a subtle, refined way.

Often found in minerals such as agate, chalcedony, or hematite, botryoidal growth patterns are entirely natural, formed over time as minerals deposit in rounded layers.

Why You’ll Love It

• Deep-toned chalcedony with natural druzy sparkle
• High contrast between the dark exterior and the crystal interior
• Subtle light play with hidden undertones
• Each piece is naturally unique in formation and texture
• Carefully packaged for a thoughtful, elevated unboxing experience

Details

• Stone: Black Chalcedony with Calcite
• Form: Freeform Slab
• Color: Black, grey, white with orange calcite
• Origin: Brazil
• Size: Approx. 13in X 10in X 6in
• Weight: 12 lbs
• Finish: Raw/Polished