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

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

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)

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

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

Celestine

Celestine (Strontium Sulfate, SrSO4)

Rock Salt (Halite (NaCl)) — mineral

Rock Salt

Halite (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

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

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

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)

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

Celestite

Celestine (Strontium Sulfate, SrSO4)

Satin Spar Selenite (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar Selenite

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

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)

Selenite tower (Selenite (transparent to translucent gypsum), CaSO₄·2H₂O) — mineral

Selenite tower

Selenite (transparent to translucent gypsum), CaSO₄·2H₂O

Himalayan Pink Salt (Halite (NaCl)) — sedimentary

Himalayan Pink Salt

Halite (NaCl)

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

Dyed howlite (turquoise imitation)

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

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

Howlite

Howlite, Ca₂B₅SiO₉(OH)₅

Sulfur (Sulfur (S8)) — mineral

Sulfur

Sulfur (S8)

Himalayan Pink Salt (Halite (NaCl) with iron oxide inclusions) — sedimentary

Himalayan Pink Salt

Halite (NaCl) with iron oxide inclusions

Satin Spar (Fibrous Gypsum (CaSO4·2H2O)) — mineral

Satin Spar

Fibrous Gypsum (CaSO4·2H2O)

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

Halite

Halite (Sodium Chloride, NaCl)

Howlite (Howlite (Ca₂SiB₅O₉(OH)₅)) — mineral

Howlite

Howlite (Ca₂SiB₅O₉(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)

Blue-green calcite/aragonite specimen (Likely calcite (CaCO₃), possibly aragonite; exact identification requires testing) — mineral

Blue-green calcite/aragonite specimen

Likely calcite (CaCO₃), possibly aragonite; exact identification requires testing

Aragonite Star Cluster (Aragonite (Calcium Carbonate, CaCO3)) — mineral

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

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

Celestite (Celestine)

Strontium sulfate (SrSO4)

Barite Rose (Barium Sulfate (BaSO4)) — mineral

Barite Rose

Barium Sulfate (BaSO4)

Tumbled yellow calcite (Calcite (calcium carbonate, CaCO₃)) — mineral

Tumbled yellow calcite

Calcite (calcium carbonate, CaCO₃)

Calcite specimen (Calcite (calcium carbonate, CaCO₃), likely botryoidal or drusy calcite) — mineral

Calcite specimen

Calcite (calcium carbonate, CaCO₃), likely botryoidal or drusy calcite

Howlite (White Buffalo Turquoise) (Howlite (Calcium Borosilicate Hydroxide), Ca2B5SiO9(OH)5) — mineral

Howlite (White Buffalo Turquoise)

Howlite (Calcium Borosilicate Hydroxide), Ca2B5SiO9(OH)5

Tumbled howlite (probable) (Howlite, Ca₂B₅SiO₉(OH)₅) — mineral

Tumbled howlite (probable)

Howlite, Ca₂B₅SiO₉(OH)₅

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

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Satin Spar (often marketed as Selenite) (Fibrous Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar (often marketed as Selenite)

Fibrous Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O