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clinozoisite

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Clinozoisite is a complex calcium aluminium sorosilicate mineral with formula: Ca2Al3(Si2O7)(SiO4)O(OH). It forms a continuous solid solution series with epidote by substitution of iron(III) in the aluminium (m3 site) and is also called aluminium epidote.

Key facts

Mineral.name
Clinozoisite
Mineral.image
Clinozoisite, Amphibole Group - Mount Belvidere Quarries, Vermont, USA.jpg
Mineral.imagesize
260px
Mineral.caption
Clinozoisite
Mineral.category
Sorosilicates Epidote group
Mineral.formula
Ca2Al3(Si2O7)(SiO4)O(OH)
Mineral.IMAsymbol
Czo
Mineral.strunz
9.BG.05a
Mineral.dana
58.2.1a.4
Mineral.system
Monoclinic
Mineral.class
Prismatic (2/m) (same H-M symbol)
Mineral.symmetry
P21/m
Mineral.unit cell
a = 8.879, b = 5.583 c = 10.155 [Å]; β = 115.50°; Z = 2
Mineral.color
Colorless, green, gray, light green, yellow green, pink
Mineral.habit
Elongated primatic crystals, striated; granular to fibrous
Mineral.twinning
Lamellar on {100} uncommon
Mineral.cleavage
Perfect on {001}
Mineral.fracture
Irregular/uneven

via Wikipedia infobox

Wikidata facts

Named after
zoisite
Image
Clinozoisite, Amphibole Group - Mount Belvidere Quarries, Vermont, USA.jpg
Show 8 more facts
solid solution series with
epidote
Nickel-Strunz 9th edition (updated 2009)
9.BG.05a
Commons category
Clinozoisite
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
9.BG.05a
IMA Mineral Symbol
Czo
chemical formula
Ca₂Al₃(Si₂O₇)(SiO₄)O(OH)
Strunz 8th edition (series ID, updated)
VIII/B.15a
Sources (1)

via Wikidata · CC0

~3 min read

Encyclopedic overview

1 sections
Contents
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{{Infobox mineral | name = Clinozoisite | image = Clinozoisite, Amphibole Group - Mount Belvidere Quarries, Vermont, USA.jpg | imagesize = 260px | alt = | caption = Clinozoisite | category = Sorosilicates Epidote group | formula = Ca2Al3(Si2O7)(SiO4)O(OH) | IMAsymbol=Czo | strunz = 9.BG.05a | dana = 58.2.1a.4 | system = Monoclinic | class = Prismatic (2/m) (same H-M symbol) | symmetry = P21/m | unit cell = a = 8.879, b = 5.583 c = 10.155 [Å]; β = 115.50°; Z = 2 | color = Colorless, green, gray, light green, yellow green, pink | habit = Elongated primatic crystals, striated; granular to fibrous | twinning = Lamellar on {100} uncommon | cleavage = Perfect on {001} | fracture = Irregular/uneven | tenacity = Brittle | mohs = 6–7 | luster = Vitreous | streak = Grayish white | diaphaneity = Transparent to translucent | gravity = 3.3–3.4 | density = | polish = | opticalprop = Biaxial (+) | refractive = nα = 1.706 – 1.724 nβ = 1.708 – 1.729 nγ = 1.712 – 1.735 | birefringence = δ = 0.006 – 0.011 | pleochroism = | 2V = 14 to 90° measured | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | references = }}

Clinozoisite is a complex calcium aluminium sorosilicate mineral with formula: Ca2Al3(Si2O7)(SiO4)O(OH). It forms a continuous solid solution series with epidote by substitution of iron(III) in the aluminium (m3 site) and is also called aluminium epidote.

Excerpted from Wikipedia’s “clinozoisite” article, available under the CC BY-SA 4.0 licence.