{{Infobox mineral | name = Tyrolite | boxwidth = | boxbgcolor = | image = Tyrolite-256893.jpg | imagesize = 260px | alt = | caption = | category = Arsenate and carbonate minerals | formula = {{chem2|CaCu5(AsO4)2CO3(OH)4*6H2O}} | IMAsymbol = Tyl<ref>{{cite journal |last=Warr|first=L. N. |year=2021 |title=IMA–CNMNC approved mineral symbols |journal=Mineralogical Magazine |volume=85 |issue=3 |pages=291–320 |doi=10.1180/mgm.2021.43 |bibcode=2021MinM...85..291W |s2cid=235729616 |doi-access=free}}</ref> | molweight = | strunz = 8.DM.10 | dana = | system = Orthorhombic | class = Prismatic (2/m) <br/><small>(same H-M symbol)</small> | symmetry = ''P2/c'' (no. 13) or ''C2/c'' (no. 15) | unit cell = | color = Blue to green | colour = | habit = Radial or botryoidal | twinning = | cleavage = | fracture = | tenacity = | mohs = 1.5–2.0 | luster = Vitreous | streak = | diaphaneity = Translucent | gravity = 3.1–3.2 | density = | polish = | opticalprop = | refractive = ''n''α&nbsp;=&nbsp;1.694<br>''n''β&nbsp;=&nbsp;1.726<br>''n''γ&nbsp;=&nbsp;1.730 | birefringence = | pleochroism = | 2V = | dispersion = | extinction = | length fast/slow = | fluorescence = | absorption = | melt = | fusibility = | diagnostic = | solubility = | impurities = | alteration = | other = | prop1 = | prop1text = | references = <ref>{{cite journal |last1=Krivovichev|first1=S. V. |title=Crystal chemistry and polytypism of tyrolite |journal=American Mineralogist |date=1 August 2006 |volume=91 |issue=8–9 |pages=1378–1384 |doi=10.2138/am.2006.2040 |bibcode=2006AmMin..91.1378K |s2cid=96895661}}</ref> }}

'''Tyrolite''' is a hydrous calcium copper arsenate carbonate mineral with the formula CaCu<sub>5</sub>(AsO<sub>4</sub>)<sub>2</sub>CO<sub>3</sub>(OH)<sub>4</sub>⋅6H<sub>2</sub>O. Tyrolite forms glassy, blue to green orthorhombic radial crystals and botryoidal masses. It has a Mohs hardness of 1.5–2.0 and a specific gravity of 3.1–3.2. It is translucent with refractive indices of ''n''α&nbsp;=&nbsp;1.694, ''n''β&nbsp;=&nbsp;1.726, and ''n''γ&nbsp;=&nbsp;1.730.

It is a secondary mineral formed by the weathering of associated copper and arsenic minerals. It was first described in 1845 for an occurrence in Schwaz, Tyrol, Austria.

[[File:Chrysocolla-Tyrolite-Clinotyrolite-202108.jpg|thumb|left|Chrysocolla on tyrolite and clinotyrolite specimen ({{cvt|4.0|×|2.6|×|2.6|cm|in}}); from San Simon Mine in Santa Rosa-Huantajaya District, Iquique Province, Chile.<br>{{small|(Click image for details of the mineral chemistry.)}}]]

==References== {{Reflist}} *[http://webmineral.com/data/Tyrolite.shtml Webmineral] *[http://www.mindat.org/show.php?id=4070&ld=1&pho= Mindat with location data] <br> {{Commons category|position=left}}

{{clear}}

Category:Calcium minerals Category:Copper(II) minerals Category:Arsenate minerals Category:Monoclinic minerals Category:Minerals in space group 13 Category:Minerals in space group 15

{{carbonate-mineral-stub}}