Minerals
Showing 61–80 of 300 results
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Minerals
Realgar Crystal on Orpiment
Mohs hardness: 1.5–2$307.74 -
Minerals
Rubellite Tourmaline Crystal — Miniature
Mohs hardness: 7–7.5$2,187.22 -
Minerals
Alexandrite Crystal — Color-Change — Specimen Grade
Mohs hardness: 8.5$13,049.88 -
Minerals
Chalcopyrite Crystal on Sphalerite — Specimen Grade
Mohs hardness: 3.5–4$141.55 -
Minerals
Amazonite Crystal
Mohs hardness: 6–6.5$34.24 -
Minerals
Azurite-Malachite Crystal Cluster — Cabinet Specimen
Mohs hardness: 3.5–4$643.45 -
Minerals
Purple Fluorite Octahedron
Mohs hardness: 4$31.42 -
Minerals
Chalcopyrite Crystal on Sphalerite — Cabinet Specimen
Mohs hardness: 3.5–4$85.16 -
Minerals
Calcite Dog-Tooth Cluster
Mohs hardness: 3$143.68 -
Minerals
Pyrrhotite Crystal — Specimen Grade
Mohs hardness: 3.5–4.5$128.05 -
Minerals
Crocoite Crystal Cluster — Cabinet Specimen
Mohs hardness: 2.5–3$1,482.37 -
Minerals
Sillimanite Fibrous
Mohs hardness: 7–7.5$44.44 -
Minerals
Heliodor Crystal — Cabinet Specimen
Mohs hardness: 7.5–8$621.20 -
Minerals
Crocoite Crystal Cluster — Miniature
Mohs hardness: 2.5–3$2,300.56 -
Minerals
Selenite Gypsum Wand
Mohs hardness: 2$82.37 -
Minerals
Benitoite Crystal on Natrolite — Cabinet Specimen
Mohs hardness: 6–6.5$2,008.90 -
Minerals
Benitoite Crystal on Natrolite
Mohs hardness: 6–6.5$7,425.68 -
Minerals
Labradorite Freeform — Cabinet Specimen
Mohs hardness: 6–6.5$142.77 -
Minerals
Black Tourmaline Schorl Crystal — Miniature
Mohs hardness: 7–7.5$74.90 -
Minerals
Vanadinite on Barite
Mohs hardness: 2.5–3$206.55