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Mineral Specimens


Rocks and Minerals





Rockman's mineral specimens are hand broken as opposed to being crushed which helps keep cleavage and fracture characteristics intact. This is a partial listing. If you are looking for a specimen that is not listed, please contact us, we may have it in stock or we may be able to locate it.


We offers the 3 standard sizes of minerals as illustrated:

small hand

Small – 0.75" to 1.2"
10 pieces in resealable bag.
large hand

Large – 2" x 3" up to 3" x 4"
ONE (1) boxed piece.
medium hand

Medium – 1.25" to 1.75"
10 pieces in resealable bag.

Actinolite (aggregate of green actinolite crystals)

  • 10 Pack - Small [M001b]
  • 10 Pack - Medium [M001c]
  • 1 Large Sample [M001d]
Item Number


Albite (plagioclase group, white)

  • 10 Pack - Small [M020b]
  • 10 Pack - Medium [M020c]
  • 1 Large Sample [M020d]
Item Number


Amazonite (light green/blue)

  • 10 Pack - Small [M030b]
  • 10 Pack - Medium [M030c]
  • 1 Large Sample [M030d]
Item Number


Anhydrite (Angelite)

  • 10 Pack - Small [M040b]
  • 10 Pack - Medium [M040c]
  • 1 Large Sample [M040d]
Item Number


Apatite (blue to green, CANADA)

  • 10 Pack - Small [M068b]
  • 10 Pack - Medium [M068c]
  • 1 Large Sample [M068d]
Item Number


Aragonite (massive, banded)

  • 10 Pack - Small [M069b]
  • 10 Pack - Medium [M069c]
  • 1 Large Sample [M069d]
Item Number


Aragonite (massive, white)

  • 10 Pack - Small [M070b]
  • 10 Pack - Medium [M070c]
  • 1 Large Sample [M070d]
Item Number

Aragonite (Crystal cluster)

  • 10 Pack - Small [M071b]
  • 10 Pack - Medium [M071c]
  • 1 Large Sample [M071d]
Item Number


Augite (pyroxene, prismatic)

  • 10 Pack - Small [M075b]
  • 10 Pack - Medium [M075c]
  • 1 Large Sample [M075d]
Item Number


Barite (white to brown, massive to platy)

  • 10 Pack - Small [M080b]
  • 10 Pack - Medium [M080c]
  • 1 Large Sample [M080d]
Item Number


Bauxite (gray to brown masses, pisolitic texture)

  • 10 Pack - Small [M090b]
  • 10 Pack - Medium [M090c]
  • 1 Large Sample [M090d]
Item Number


Beryl (bluish-green to white)

  • 10 Pack - Small [M100b]
  • 10 Pack - Medium [M100c]
  • 1 Large Sample [M100d]
Item Number


Biotite (mica group, black, lustrous cleavage plates)

  • 10 Pack - Small [M110b]
  • 10 Pack - Medium [M110c]
  • 1 Large Sample [M110d]
Item Number


Bornite (iridescent blue w/sulfides) Limited supply

  • 10 Pack - Small [M115b]
Item Number


Calcite (rhombohedral cleavages, white to translucent)

  • 10 Pack - Small [M121b]
  • 10 Pack - Medium [M121c]
  • 1 Large Sample [M121d]
Item Number


Calcite (Iceland Spar, OPTICAL, average grade)

  • 10 Pack - Small [M125b]
  • 10 Pack - Medium [M125c]
  • 1 Large Sample [M125d]
Item Number


Calcite (blue, green, orange varieties—based on availability)

  • 10 Pack - Small [M126b]
  • 10 Pack - Medium [M126c]
  • 1 Large Sample [M126d]
Item Number


Chalcopyrite (brassy yellow, some rock)

  • 10 Pack - Small [M150b]
  • 10 Pack - Medium [M150c]
  • 1 Large Sample [M150d]
Item Number


Chlorite (massive, greenish, schistose)

  • 10 Pack - Small [M170b]
  • 10 Pack - Medium [M170c]
  • 1 Large Sample [M170d]
Item Number


Chromite (black massive, ore of Chromium, Montana)

  • 10 Pack - Small [M180b]
  • 10 Pack - Medium [M180c]
  • 1 Large Sample [M180d]
Item Number


Chrysocolla (blue green coatings and massive)

  • 10 Pack - Small [M185b]
  • 10 Pack - Medium [M185c]
  • 1 Large Sample [M185d]
Item Number


Corundum (Emery - black granular)

  • 10 Pack - Small [M210b]
Item Number


Dolomite (pink crystal clusters)

  • 10 Pack - Small [M230b]
  • 10 Pack - Medium [M230c]
  • 1 Large Sample [M230d]
Item Number


Dolomite (tan to white, granular)

  • 10 Pack - Small [M235b]
  • 10 Pack - Medium [M235c]
  • 1 Large Sample [M235d]
Item Number


Epidote (green, massive)

  • 10 Pack - Small [M238b]
  • 10 Pack - Medium [M238c]
  • 1 Large Sample [M238d]
Item Number


K-Feldspar (potassium feldspar group, cream to pink cleavages)

  • 10 Pack - Small [M240b]
  • 10 Pack - Medium [M240c]
  • 1 Large Sample [M240d]
Item Number


Fluorite (cleavable, green/purple)

  • 10 Pack - Small [M260b]
  • 10 Pack - Medium [M260c]
  • 1 Large Sample [M260d]
Item Number


Fluorite (massive, green)

  • 10 Pack - Small [M265b]
  • 10 Pack - Medium [M265c]
  • 1 Large Sample [M265d]
Item Number


Galena (cleavable)

  • 10 Pack - Small [M280b]
  • 10 Pack - Medium [M280c]
  • 1 Large Sample [M280d]
Item Number


Galena (massive in rock)

  • 10 Pack - Small [M281b]
  • 10 Pack - Medium [M281c]
  • 1 Large Sample [M281d]
Item Number


Graphite (black, high grade, foliated, greasy feel)

  • 10 Pack - Small [M311b]
  • 10 Pack - Medium [M311c]
  • 1 Large Sample [M311d]
Item Number


Gypsum - Alabaster (massive, white to pink)

  • 10 Pack - Small [M320b]
  • 10 Pack - Medium [M320c]
  • 1 Large Sample [M320d]
Item Number


Gypsum - Satin Span (white, fibrous, silky luster)

  • 10 Pack - Small [M324b]
  • 10 Pack - Medium [M324c]
  • 1 Large Sample [M324d]
Item Number


Gypsum - Selenite (transparent cleavage)

  • 10 Pack - Small [M325b]
  • 10 Pack - Medium [M325c]
  • 1 Large Sample [M325d]
Item Number


Halite (cleavable)

  • 10 Pack - Small [M330b]
  • 10 Pack - Medium [M330c]
  • 1 Large Sample [M330d]
Item Number


Halite (granular, Rock Salt)

  • 10 Pack - Small [M335b]
  • 10 Pack - Medium [M335c]
  • 1 Large Sample [M335d]
Item Number


Hematite (specular, black, glistening)

  • 10 Pack - Small [M340b]
  • 10 Pack - Medium [M340c]
  • 1 Large Sample [M340d]
Item Number


Hematite (ochre, red, massive)

  • 10 Pack - Small [M345b]
  • 10 Pack - Medium [M345c]
  • 1 Large Sample [M345d]
Item Number


Hematite (massive, gray to black, some red)

  • 10 Pack - Small [M346b]
  • 10 Pack - Medium [M346c]
  • 1 Large Sample [M346d]
Item Number


Hornblende (massive)

  • 10 Pack - Small [M350b]
  • 10 Pack - Medium [M350c]
  • 1 Large Sample [M350d]
Item Number


Hornblende (prismatic, cleavable)

  • 10 Pack - Small [M351b]
  • 10 Pack - Medium [M351c]
  • 1 Large Sample [M351d]
Item Number


Kaolin (white to tan, massive)

  • 10 Pack - Small [M379b]
  • 10 Pack - Medium [M379c]
  • 1 Large Sample [M379d]
Item Number


Kyanite (crystalline, white blades some blue)

  • 10 Pack - Small [M382b]
  • 10 Pack - Medium [M382c]
  • 1 Large Sample [M382d]
Item Number


Lepidolite (mica group, cleavable, lavender, secondary source of lithium)

  • 10 Pack - Small [M391b]
  • 10 Pack - Medium [M391c]
Item Number


Limonite (yellow to brown, massive)

  • 10 Pack - Small [M400b]
  • 10 Pack - Medium [M400c]
  • 1 Large Sample [M400d]
Item Number


Magnetite (black, coarse crystalline, metallic luster, magnetic)

  • 10 Pack - Small [M420b]
  • 10 Pack - Medium [M420c]
  • 1 Large Sample [M420d]
Item Number


Malachite (green, massive, good grade)

  • 10 Pack - Small [M430b]
  • 10 Pack - Medium [M430c]
  • 1 Large Sample [M430d]
Item Number


Microcline (potash feldspar group, white cleavages)

  • 10 Pack - Small [M435b]
  • 10 Pack - Medium [M435c]
  • 1 Large Sample [M435d]
Item Number


Molybdenite (small veins in matrix)

  • 10 Pack - Small [M440b]
  • 10 Pack - Medium [M440c]
  • 1 Large Sample [M440d]
Item Number


Muscovite (mica group, cleavage sheets, some show herringbone structure)

  • 10 Pack - Small [M450b]
  • 10 Pack - Medium [M450c]
  • 1 Large Sample [M450d]
Item Number


Olivine (massive, medium grained, light green)

  • 10 Pack - Small [M460b]
  • 10 Pack - Medium [M460c]
  • 1 Large Sample [M460d]
Item Number


Phlogopite (mica group, pale brown cleavage sheets)

  • 10 Pack - Small [M490b]
  • 10 Pack - Medium [M490c]
  • 1 Large Sample [M490d]
Item Number


Plagioclase (soda-lime feldspar, gray, small cleavages)

  • 10 Pack - Small [M495b]
  • 10 Pack - Medium [M495c]
  • 1 Large Sample [M495d]
Item Number


Pyrite (brass-yellow, crystaline to massive)

  • 10 Pack - Small [M504b]
  • 10 Pack - Medium [M504c]
  • 1 Large Sample [M504d]
Item Number


Pyrolusite (black, massive, ore of manganese)

  • 10 Pack - Small [M507b]
  • 10 Pack - Medium [M507c]
  • 1 Large Sample [M507d]
Item Number


Pyrrhotite (brassy to bronze, massive, weakly magnetic, nickel ore)

  • 10 Pack - Small [M500b]
  • 10 Pack - Medium [M500c]
  • 1 Large Sample [M500d]
Item Number


Rhodonite (rose-pink, manganese oxide veins, tarnishs to black)

  • 10 Pack - Small [M508b]
  • 10 Pack - Medium [M508c]
  • 1 Large Sample [M508d]
Item Number


Quartz Agate (multi-colored)

  • 10 Pack - Small [M010b]
  • 10 Pack - Medium [M010c]
  • 1 Large Sample [M010d]
Item Number


Quartz Amethyst (geode crystal pieces)

  • 10 Pack - Small [M035b]
  • 10 Pack - Medium [M035c]
  • 1 Large Sample [M035d]
Item Number


Quartz Chalcedony (gray to smoky, partly translucent, waxy, fluoresces green in short wave)

  • 10 Pack - Small [M140b]
  • 10 Pack - Medium [M140c]
  • 1 Large Sample [M140d]
Item Number

Quartz Chert (cream to white massive)

  • 10 Pack - Small [M160b]
  • 10 Pack - Medium [M160c]
  • 1 Large Sample [M160d]
Item Number


Quartz Rock Crystals (single clear to white crystals with terminations)

  • 10 Pack - Small [M510b]
  • 10 Pack - Medium [M510c]
  • 1 Large Sample [M510d]
Item Number


Quartz Flint (brown to multicolors)

  • 10 Pack - Small [M512b]
  • 10 Pack - Medium [M512c]
  • 1 Large Sample [M512d]
Item Number


Quartz Jasper (colors vary)

  • 10 Pack - Small [M513b]
  • 10 Pack - Medium [M513c]
  • 1 Large Sample [M513d]
Item Number


Quartz Milky (white, massive)

  • 10 Pack - Small [M514b]
  • 10 Pack - Medium [M514c]
  • 1 Large Sample [M514d]
Item Number


Quartz Rose (light pink, massive)

  • 10 Pack - Small [M515b]
  • 10 Pack - Medium [M515c]
  • 1 Large Sample [M515d]
Item Number


Quartz Rose (best grade, deep pink, crystalline)

  • 10 Pack - Small [M516b]
  • 10 Pack - Medium [M516c]
  • 1 Large Sample [M516d]
Item Number


Quartz Silicified Wood (wood replaced by silica)

  • 10 Pack - Small [M517b]
  • 10 Pack - Medium [M517c]
  • 1 Large Sample [M517d]
Item Number


Quartz Smokey (light gray to dark smokey)

  • 10 Pack - Small [M519b]
  • 10 Pack - Medium [M519c]
Item Number


Sodalite (deep blue massive, some rock)

  • 10 Pack - Small [M524b]
  • 10 Pack - Medium [M524c]
  • 1 Large Sample [M524d]
Item Number


Sphalerite (massive, small cleavages)

  • 10 Pack - Small [M527b]
  • 10 Pack - Medium [M527c]
  • 1 Large Sample [M527d]
Item Number


Stibnite (antimony ore, metallic gray, crystalline in rock)

  • 10 Pack - Small [M536b]
  • 10 Pack - Medium [M536c]
  • 1 Large Sample [M536d]
Item Number


Sulfur (bright yellow, massive)

  • 10 Pack - Small [M540b]
  • 10 Pack - Medium [M540c]
  • 1 Large Sample [M540d]
Item Number


Talc (gray-green, schistose)

  • 10 Pack - Small [M550b]
  • 10 Pack - Medium [M550c]
  • 1 Large Sample [M550d]
Item Number


Talc (light green, massive, some with small pyrite crystals)

  • 10 Pack - Small [M551b]
  • 10 Pack - Medium [M551c]
  • 1 Large Sample [M551d]
Item Number


Tourmaline (parts of large crystals)

  • 10 Pack - Small [M555b]
  • 10 Pack - Medium [M555c]
  • 1 Large Sample [M555d]
Item Number


Trona (processed into baking soda)

  • 10 Pack - Small [M570b]
  • 10 Pack - Medium [M570c]
  • 1 Large Sample [M570d]
Item Number


Vermiculite (brown cleavages, altered form of biotite or phlogophite)

  • 10 Pack - Small [M580b]
  • 10 Pack - Medium [M580c]
  • 1 Large Sample [M580d]
Item Number



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