Rock Identifier

Category

Mineral (Evaporite)

Browse mineral (evaporite) specimens identified by the Rock Identifier community.

Learn about Mineral (Evaporite) in the encyclopedia

Halite

Rock Salt

Rock Gypsum

Glauconite

Hutcheonite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Polished selenite (satin spar gypsum), likely carved/tumbled (Gypsum, CaSO₄·2H₂O; varietal identification is uncertain from the image) — mineral

Polished selenite (satin spar gypsum), likely carved/tumbled

Gypsum, CaSO₄·2H₂O; varietal identification is uncertain from the image

Selenite (gypsum crystal) (Gypsum, CaSO₄·2H₂O; transparent-to-translucent variety commonly called selenite) — mineral

Selenite (gypsum crystal)

Gypsum, CaSO₄·2H₂O; transparent-to-translucent variety commonly called selenite

Selenite (gypsum) crystal (Gypsum, CaSO₄·2H₂O; transparent/white variety called selenite) — mineral

Selenite (gypsum) crystal

Gypsum, CaSO₄·2H₂O; transparent/white variety called selenite

Selenite gypsum (Gypsum, CaSO₄·2H₂O (selenite variety)) — mineral

Selenite gypsum

Gypsum, CaSO₄·2H₂O (selenite variety)

Angelite (Anhydrite (CaSO4)) — mineral

Angelite

Anhydrite (CaSO4)

Breciated Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — Mineral

Breciated Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Howlite (Howlite, Ca₂B₅SiO₉(OH)₅) — mineral

Howlite

Howlite, Ca₂B₅SiO₉(OH)₅

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Pink selenite (gypsum) (Gypsum, CaSO₄·2H₂O) — mineral

Pink selenite (gypsum)

Gypsum, CaSO₄·2H₂O

Likely selenite (transparent gypsum) crystal cluster (Gypsum, CaSO₄·2H₂O; selenite is its clear crystalline variety) — mineral

Likely selenite (transparent gypsum) crystal cluster

Gypsum, CaSO₄·2H₂O; selenite is its clear crystalline variety

Rock salt (Halite) (Halite (Sodium Chloride, NaCl)) — sedimentary

Rock salt (Halite)

Halite (Sodium Chloride, NaCl)

Pink halite (rock salt) (Halite (NaCl), likely iron- or clay-tinged pink halite) — mineral

Pink halite (rock salt)

Halite (NaCl), likely iron- or clay-tinged pink halite

Gypsum (Selenite crystals in Halite/Clay matrix) (Calcium Sulfate Dihydrate (CaSO4·2H2O)) — mineral

Gypsum (Selenite crystals in Halite/Clay matrix)

Calcium Sulfate Dihydrate (CaSO4·2H2O)

Howlite egg (Howlite, Ca₂B₅SiO₉(OH)₅; hydrous calcium borosilicate hydroxide) — mineral

Howlite egg

Howlite, Ca₂B₅SiO₉(OH)₅; hydrous calcium borosilicate hydroxide

Dyed pink howlite (tumbled stone) (Howlite, Ca₂B₅SiO₉(OH)₅; likely dyed to imitate pink turquoise or rhodonite) — mineral

Dyed pink howlite (tumbled stone)

Howlite, Ca₂B₅SiO₉(OH)₅; likely dyed to imitate pink turquoise or rhodonite

Dyed Howlite (often sold as 'Turquenite') (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Dyed Howlite (often sold as 'Turquenite')

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Orange halite (rock salt) (Halite, sodium chloride (NaCl)) — mineral

Orange halite (rock salt)

Halite, sodium chloride (NaCl)

Fibrous gypsum (selenite), likely satin spar (Gypsum — CaSO₄·2H₂O; monoclinic sulfate mineral) — mineral

Fibrous gypsum (selenite), likely satin spar

Gypsum — CaSO₄·2H₂O; monoclinic sulfate mineral

Raw selenite (gypsum) (Gypsum, CaSO₄·2H₂O; transparent varieties are called selenite) — mineral

Raw selenite (gypsum)

Gypsum, CaSO₄·2H₂O; transparent varieties are called selenite

Dyed red crystal aggregate, likely quartz or salt (Uncertain; possibly dyed quartz (SiO₂) or halite (NaCl)) — mineral

Dyed red crystal aggregate, likely quartz or salt

Uncertain; possibly dyed quartz (SiO₂) or halite (NaCl)

Celestine (Celestine (Strontium Sulfate, SrSO4)) — mineral

Celestine

Celestine (Strontium Sulfate, SrSO4)

Halite (Rock Salt) (Halite (Sodium Chloride, NaCl)) — mineral

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Pink halite (rock salt) (Halite (sodium chloride, NaCl)) — mineral

Pink halite (rock salt)

Halite (sodium chloride, NaCl)

Selenite (gypsum) wand (Gypsum, CaSO₄·2H₂O; fibrous variety commonly called satin spar) — mineral

Selenite (gypsum) wand

Gypsum, CaSO₄·2H₂O; fibrous variety commonly called satin spar

Selenite (gypsum) (Gypsum, CaSO₄·2H₂O; variety: selenite) — mineral

Selenite (gypsum)

Gypsum, CaSO₄·2H₂O; variety: selenite

Gypsum crystal cluster (selenite/ satin-spar variety) (Gypsum — calcium sulfate dihydrate, CaSO₄·2H₂O) — mineral

Gypsum crystal cluster (selenite/ satin-spar variety)

Gypsum — calcium sulfate dihydrate, CaSO₄·2H₂O

Celestite (Celestine (Strontium Sulfate, SrSO4)) — mineral

Celestite

Celestine (Strontium Sulfate, SrSO4)

Turquoise-colored bead necklace (likely dyed howlite or magnesite) (Likely dyed Ca₂B₅SiO₉(OH)₅ (howlite) or MgCO₃ (magnesite); turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Turquoise-colored bead necklace (likely dyed howlite or magnesite)

Likely dyed Ca₂B₅SiO₉(OH)₅ (howlite) or MgCO₃ (magnesite); turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O

Orange calcite (Calcite (calcium carbonate, CaCO₃)) — mineral

Orange calcite

Calcite (calcium carbonate, CaCO₃)

Celestite (Celestine) (Strontium Sulfate (SrSO4)) — mineral

Celestite (Celestine)

Strontium Sulfate (SrSO4)

Angelite (Anhydrite (Calcium Sulfate, CaSO4)) — mineral

Angelite

Anhydrite (Calcium Sulfate, CaSO4)

Howlite (Howlite (hydrated calcium borosilicate; Ca₂B₅SiO₉(OH)₅)) — mineral

Howlite

Howlite (hydrated calcium borosilicate; Ca₂B₅SiO₉(OH)₅)

Sulfur (Sulphur) (Sulfur (S8)) — mineral

Sulfur (Sulphur)

Sulfur (S8)

Blue Howlite (Dyed) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Blue Howlite (Dyed)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Howlite (Tumbled) (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite (Tumbled)

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Sulfur (with Matrix) (Native Sulfur (S8)) — mineral

Sulfur (with Matrix)

Native Sulfur (S8)

Howlite (Howlite (Ca2B5SiO9(OH)5)) — mineral

Howlite

Howlite (Ca2B5SiO9(OH)5)

Rock Salt (Halite (NaCl)) — mineral

Rock Salt

Halite (NaCl)

Blue crystal/mineral specimen (possibly blue quartz or dyed stone) (Uncertain from photograph; possible quartz, SiO₂, or a blue copper-bearing mineral) — mineral

Blue crystal/mineral specimen (possibly blue quartz or dyed stone)

Uncertain from photograph; possible quartz, SiO₂, or a blue copper-bearing mineral

Himalayan Pink Salt (Halite (NaCl)) — sedimentary

Himalayan Pink Salt

Halite (NaCl)

Sulfur (Sulfur (S8)) — mineral

Sulfur

Sulfur (S8)

Dyed howlite (turquoise imitation) (Howlite, Ca₂B₅SiO₉(OH)₅; commonly blue-dyed) — mineral

Dyed howlite (turquoise imitation)

Howlite, Ca₂B₅SiO₉(OH)₅; commonly blue-dyed