chalcanthite
Sign in to saveChalcanthite (, ) is a richly colored blue-green water-soluble sulfate mineral . It is commonly found in the late-stage oxidation zones of copper deposits. Due to its ready solubility, chalcanthite is more common in arid regions.
Key facts
- Mineral.name
- Chalcanthite
- Mineral.category
- Sulfate mineral
- Mineral.image
- Chalcanthitefrance.jpg
- Mineral.imagesize
- 260px
- Mineral.IMAsymbol
- Cct
- Mineral.strunz
- 7.CB.20
- Mineral.system
- Triclinic
- Mineral.class
- Pinacoidal () (same H-M symbol)
- Mineral.symmetry
- P
- Mineral.unit cell
- a = 6.11 Å, b = 10.673 Å, c = 5.95 Å; α = 97.58°, β = 107.17°, γ = 77.55°; Z = 2
- Mineral.color
- Berlin blue to sky blue, greenish blue
- Mineral.habit
- Typically stalactitic, encrusted, reniform or massive. Natural crystals are rare, but are short prismatic or tabular
- Mineral.twinning
- Rare as cruciform twins
- Mineral.cleavage
- Perfect on {10}; interrupted on {110}
- Mineral.fracture
- Conchoidal
- Mineral.mohs
- 2.5
- Mineral.luster
- Vitreous
- Mineral.refractive
- nα = 1.514 nβ = 1.537 nγ = 1.543
via Wikipedia infobox
Article
5 sectionsContents
- Uses of chalcanthite
- Associated minerals
- Notes for identification
- See also
- References
{{Infobox mineral | name = Chalcanthite | category = Sulfate mineral | boxwidth = | boxbgcolor = | image = Chalcanthitefrance.jpg | imagesize = 260px | caption = | formula = | IMAsymbol = Cct | strunz = 7.CB.20 | system = Triclinic | class = Pinacoidal () (same H-M symbol) | symmetry = P | unit cell = a = 6.11 Å, b = 10.673 Å, c = 5.95 Å; α = 97.58°, β = 107.17°, γ = 77.55°; Z = 2 | color = Berlin blue to sky blue, greenish blue | habit = Typically stalactitic, encrusted, reniform or massive. Natural crystals are rare, but are short prismatic or tabular | twinning = Rare as cruciform twins | cleavage = Perfect on {10}; interrupted on {110} | fracture = Conchoidal | mohs = 2.5 | luster = Vitreous | refractive = nα = 1.514 nβ = 1.537 nγ = 1.543 | opticalprop = Biaxial (−) | birefringence = δ = 0.029 | 2V = Measured: 56° | pleochroism = | streak = White | gravity = 2.12–2.3 | melt = | fusibility = | diagnostic = | solubility = Soluble in water, turning it blue | diaphaneity = Transparent to translucent | other = 30px Poisonous | references = }}
Chalcanthite (, ) is a richly colored blue-green water-soluble sulfate mineral . It is commonly found in the late-stage oxidation zones of copper deposits. Due to its ready solubility, chalcanthite is more common in arid regions.