Halite
Halite (Sodium Chloride, NaCl)
mineral
Category
Mineral (Evaporite)
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
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White Howlite (likely)
Howlite, Ca₂B₅SiO₉(OH)₅
mineral
Himalayan salt (rock salt)
Halite (sodium chloride, NaCl)
mineral
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Howlite and Tree Agate
Calcium Borosilicate Hydroxide (Howlite) and Silicon Dioxide (Agate/Quartz)
mineral
Tumbled blue stone, likely dyed howlite or magnesite
Howlite (Ca₂B₅SiO₉(OH)₅), possibly magnesite (MgCO₃), artificially blue-dyed
mineral
Honey calcite (orange calcite)
Calcite, calcium carbonate (CaCO₃)
mineral
Howlite
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
mineral
Dyed howlite or magnesite cabochon
Howlite, Ca₂B₅SiO₉(OH)₅; commonly dyed vivid blue to imitate turquoise
mineral
Dyed blue howlite or magnesite cabochon
Howlite (Ca₂B₅SiO₉(OH)₅), possibly magnesite (MgCO₃), artificially dyed blue
mineral
Tumbled howlite (likely)
Howlite, Ca₂B₅SiO₉(OH)₅
mineral
Blue-dyed howlite beads (likely)
Howlite, Ca₂B₅SiO₉(OH)₅, commonly dyed blue to imitate turquoise
mineral
Selenite (gypsum crystal)
Gypsum, CaSO₄·2H₂O; variety selenite
mineral
Satin Spar (commercially called Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Orange calcite (likely polished or naturally rounded fragments)
Calcite, calcium carbonate (CaCO₃)
mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Orange Satin Spar (Satin Spar Selenite)
Satin Spar - Hydrous Calcium Sulfate (CaSO4·2H2O)
mineral
Desert rose
Gypsum (selenite) rosette, CaSO₄·2H₂O
mineral
Honey calcite (likely rough calcite)
Calcite, calcium carbonate (CaCO₃)
mineral
Pink Howlite (Dyed)
Dyed Howlite / Silicoborocalcite (Ca2B5SiO9(OH)5)
mineral
Dyed turquoise-colored howlite or magnesite (likely imitation turquoise)
Howlite: Ca₂B₅SiO₉(OH)₅; magnesite: MgCO₃
mineral
Sulfur
Native Sulfur (S8)
mineral
Halite (Rock Salt) Crust
Sodium Chloride (NaCl)
sedimentary
Tumbled howlite (likely)
Howlite, Ca₂B₅SiO₉(OH)₅
mineral
Howlite
Howlite (calcium borosilicate hydroxide; Ca2B5SiO9(OH)5)
mineral
Blue-green calcite
Calcite (CaCO₃), likely a pale aqua variety
mineral
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral
Celestite (Celestine)
Celestine (Strontium Sulfate, SrSO4)
Mineral
Selenite desert rose
Gypsum (CaSO₄·2H₂O), rosette habit
mineral
Dyed blue howlite or magnesite (tumbled stone)
Howlite: Ca₂B₅SiO₉(OH)₅; commonly sold dyed blue to imitate turquoise
mineral
Tumbled white stone, possibly howlite or magnesite
Howlite: Ca₂B₅SiO₉(OH)₅; possible magnesite: MgCO₃
mineral
Blue Celestite (with Galena)
Strontium sulfate (SrSO4) and Lead sulfide (PbS)
mineral
Calcite
Calcite (CaCO₃), likely massive crystalline calcite
mineral
Dyed blue howlite cabochon
Howlite, Ca₂B₅SiO₉(OH)₅; commonly dyed vivid blue and sold as “turquenite”
mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Celestite (Celestine) Druze on Agate/Host Rock
Strontium sulfate (SrSO4)
mineral
Howlite
Howlite — Ca₂B₅SiO₉(OH)₅
mineral
Clear calcite cleavage fragment
Calcite (calcium carbonate, CaCO₃)
mineral
Satin Spar (often marketed as Selenite)
Fibrous Gypsum (CaSO4·2H2O)
mineral
Turquenite (Dyed Howlite)
Dyed Ca2B5SiO9(OH)5 (Calcium Borosilicate Hydroxide)
mineral
Aragonite crystal cluster
Aragonite, orthorhombic CaCO₃
mineral
Polished pink halite (Himalayan salt)
Halite (sodium chloride, NaCl)
mineral