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    The Rough Minerals collection holds natural, unpolished mineral specimens.

    Cavansite on stilbite specimens appear in many sizes.

    Other specimens include green and clear apophyllite, fluorite, vanadinite, brazilianite, celestite, cave onyx stalactites and crystalline gold on arsenopyrite.

    33 products
    Quartz crystal with golden pyrite cluster mineral specimen on rough rock
    Quartz crystal with golden pyrite and dark metallic matrix mineral specimen
    Crystalline Gold & Arsenopyrite—1oz
    $2,000.00
    Teardrop mineral specimen with white crystal clusters and bright blue crystal points on matrix
    Ledge-like mineral specimen with white crystal base and bright blue clusters on rock matrix
    Cavansite & White Stilbite Specimen—6.5oz
    $4,500.00
    Cavansite and stilbite cluster on pale beige matrix with vivid blue crystals
    Cavansite and stilbite cluster on pale beige matrix with scattered vivid blue crystals
    Cavansite & Stilbite Specimen—1.3oz
    $3,000.00
    Cavansite and stilbite crystal cluster: vivid blue crystals on white matrix
    Cavansite and stilbite crystal cluster with dense blue crystal growth, white host
    Cavansite & Stilbite Specimen—2oz
    $3,000.00
    Cavansite and stilbite crystal cluster on light beige rock matrix with bright blue points
    Mineral specimen with bright blue cavansite-style clusters on pale beige matrix
    Cavansite & Stilbite Specimen—6.9oz
    $6,500.00
    Blue cavansite crystal cluster on light gray rock matrix specimen
    Blue cavansite crystal cluster with light gray rock base mineral specimen
    Cavansite on Matrix Specimen—2.8oz
    $4,000.00
    Cavansite and stilbite mineral specimen with blue druzy crystals and clear prisms
    Stilbite matrix with pale beige druzy surface, blue cavansite spheres, clear blades
    Cavansite on Stilbite Specimen—1.1oz
    $1,800.00
    Blue drusy cavansite crystals with white stilbite on tan matrix rock, close-up
    Blue cavansite cluster with white stilbite needles on pale tan matrix, side view
    Cavansite & White Stilbite Specimen—1.6oz
    $5,000.00
    Blue cavansite crystals on white stilbite matrix, mineral specimen
    White mineral matrix with multiple blue cavansite crystal points, specimen
    Cavansite Balls & Stilbite Specimen—1.9oz
    $2,000.00
    Cavansite and stilbite mineral specimen on matrix with bright blue crystal clusters
    Cavansite and stilbite mineral specimen with bright blue crystal clusters on white matrix
    Cavansite & Stilbite Specimen—3.1oz
    $4,000.00
    Blue cavansite and white stilbite crystals on rock matrix mineral specimen
    Blue and white mineral crystal cluster on brown-gray rock matrix
    Cavansite & Stilbite Specimen—4.7oz
    $4,000.00
    Blue cavansite and white stilbite on gray matrix mineral cluster specimen
    Blue cavansite crystals on white stilbite with gray rock matrix specimen
    Cavansite & Stilbite Specimen—4.2oz
    $7,000.00
    Blue cavansite crystal clusters with white stilbite on light tan rock matrix
    Bright blue cavansite cluster on gray-beige stilbite and stone matrix, angled view
    Cavansite & Stilbite Specimen—2.4oz
    $3,500.00
    Banded onyx-like stalactite rock with white, tan, and orange swirl patterns
    Textured stalactite rock specimen with white, beige, and orange speckled surface
    Cave Onyx Stalactite—1.1lb
    $200.00
    Cavansite and stilbite specimen with vivid blue crystals on pale white matrix
    Mineral specimen with multiple vivid blue crystal clusters on pale white base
    Cavansite & Stilbite Specimen—3.7oz
    $5,000.00
    Cavansite and stilbite on pale matrix rock with bright blue crystal clusters
    Cavansite and stilbite on pale rock with larger bright blue clusters and clear crystals
    Cavansite & Stilbite Specimen—1.5lb
    $7,200.00
    Blue cavansite with stilbite on dark rock matrix, mineral crystal cluster
    Blue cavansite cluster on white and gray stilbite matrix, side view mineral specimen
    Cavansite & Stilbite Specimen—2.5oz
    $7,000.00
    Vanadinite crystals on rock matrix, orange-red crystal clusters with yellow base
    Vanadinite crystal specimen on matrix, dense copper-orange crystals over dark rock
    Brown Vanadinite Specimen—15.6oz
    $200.00
    Celestite and calcite crystal cluster with blue translucent facets on white base
    Oblong crystal cluster with light blue translucent points on a white matrix
    Celestite & Dogtooth Calcite Specimen—12.2oz
    $525.00
    Mineral specimen with black tourmaline crystal cluster, white quartz, golden mica
    Mineral specimen: dark tourmaline prisms with white quartz and hints of gold mica
    Green Tourmaline Quartz Albite—2.5oz
    $125.00