• Two rough polished stone or mineral specimens with mixed beige, gray, brown, and metallic flecks, photographed on a light gray background. A small wooden letter tile with the letter A is placed to the left for size reference.
  • Mineral geodes displaying their internal brown and blue-gray mineral deposits, arranged on a plain white surface.
  • A hand holding a polished natural stone slice or geode section with layered beige, gray, brown, and metallic gold crystalline patterns against a light marble-like background.
  • A hand holding a raw, rough mineral or stone specimen with a complex pattern of beige, brown, gray, and black crystalline inclusions.
  • Two raw petrified wood or wood-formation stone pieces with visible grain and reddish-brown matrix, displayed on a white surface with a small wooden letter tile in front.
  • A hand holding a polished geode specimen showing intricate yellow, brown, and black skeletal structures inside a rough stone-like outer layer, against a light gray marble-patterned background.
  • A hand holding a polished petrological stone slab with intricate crystalline patterns in shades of brown, beige, and gray.
  • Two geode specimens with intricate brown, beige, and gray veining, displayed side-by-side on a white background with a small Scrabble tile showing the letter C.
  • A hand holding a polished stone slice with a mottled pattern of beige, brown, gray, and black, set against a light gray marble background.
  • A hand holding a raw, irregularly shaped stone specimen with a beige and brown matrix, dark veining, and a small dark metallic-looking inlay on the right side.
  • Two polished petrologically interesting raw stone slabs with a mix of brown, beige, gray, and blue-green minerals, displayed on a white background with a small wooden Scrabble tile showing the letter D2.
  • A hand holding a raw mineral specimen with a mix of brown, beige, gray, and metallic gold patterns, set against a light gray marble-patterned background.
  • A hand holding a raw, rough polished stone slab with natural patterns of brown, beige, gray, and black.
  • Two geode specimens with brown and beige coloring, displayed side by side on a white surface with a small Scrabble tile showing 'E,1' in front for scale.
  • A hand holding a polished petrological specimen showing concentric layers of brown, orange, and cream crystalline structures, likely a chert or fossilized coral section.
  • A hand holding a polished petrosal slice showing brown and black mineral inclusions within a translucent beige and white matrix, against a light gray marble background.
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Triple J Crystals

Cold Mountain thundereggs

Cold Mountain thundereggs

$45.00
$45.00
Sale Sold out
Shipping calculated at checkout.
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Cold Mountain thundereggs are highly prized, silica-rich volcanic nodules sourced from the Sierra Moutnains between Aguascalientes and Zacatecas, Mexico. When cut and polished, they reveal vibrant rhyolite host rocks, intricate "webbing," agate water banding, and UV-reactive features.

Each specimen is a pair and they measure from 2" x 1.1" to 3" x 1.6"

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