Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on MindatThe Mindat Store
Minerals by PropertiesMinerals by ChemistryRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral Shows & EventsThe Mindat DirectoryHow to Link to MindatDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Tenorite

This page is currently not sponsored. Click here to sponsor this page.
Bust of Michele Tenore
Formula:
CuO
Colour:
Grey, black
Lustre:
Metallic
Hardness:
Specific Gravity:
6.45
Crystal System:
Monoclinic
Name:
Named after Michele Tenore (Napoli, 5 May 1780 - Napoli, 19 July 1861), Professor of Botany, University of Naples and G. Tenore, President of the Naples Academy (Italy).
This page provides mineralogical data about Tenorite.


Classification of Tenorite

Approved, 'Grandfathered' (first described prior to 1959)
4.AB.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
A : Metal: Oxygen = 2:1 and 1:1
B : M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only
Dana 7th ed.:
4.2.3.1
4.2.3.1

4 : SIMPLE OXIDES
2 : AX
7.3.2

7 : Oxides and Hydroxides
3 : Oxides of Cu

Physical Properties of Tenorite

Metallic
Transparency:
Opaque
Colour:
Grey, black
Streak:
Black
Hardness:
3½ on Mohs scale
Hardness:
VHN100=190 - 300 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Poor/Indistinct
In zones [011] and [011]
Fracture:
Irregular/Uneven, Conchoidal
Comment:
Flexible and elastic in thin scales.
Density:
6.45 g/cm3 (Measured)    6.515(2) g/cm3 (Calculated)

Optical Data of Tenorite

Type:
Anisotropic
Anisotropism:
Strong, blue to grey
Bireflectance:
Strong
Colour in reflected light:
light gray with golden tint
Pleochroism:
Weak
Comments:
Distinct, light to dark brown.

Chemical Properties of Tenorite

Formula:
CuO
CAS Registry number:
1317-38-0

CAS Registry numbers are published by the American Chemical Society

Crystallography of Tenorite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Cell Parameters:
a = 4.6837(5) Å, b = 3.4226(5) Å, c = 5.1288(6) Å
β = 99.47°
Ratio:
a:b:c = 1.368 : 1 : 1.499
Unit Cell V:
80.63 ų
Z:
4
Morphology:
Paper-thin twinned aggregates and laths parallel {100} and elongated [011] (Vesuvius); striated [010] on {100}. Curved plates. Thin shining flexible scales. Stellate groups. Earthy, pulverulent.
Twinning:
1. Common on {011}, producing dovetail reentrants and feather-like forms as seen on {100}; also stellate groups and complex dendritic patterns. 2. On {100} ?

Crystallographic forms of Tenorite

Crystal Atlas:
Image Loading
Click on an icon to view
Tenorite no.5 - Goldschmidt (1913-1926)
Tenorite no.7 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

Toggle
Edge Lines | Miller Indicies | Axes

Transparency
Opaque | Translucent | Transparent

View
Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation

Type Occurrence of Tenorite

Synonyms of Tenorite

Other Language Names for Tenorite

Varieties of Tenorite

Geltenorite

A gel form of Tenorite.

Originally described from Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA.

Common Associates

Associated Minerals Based on Photo Data:
Chrysocolla95 photos of Tenorite associated with Chrysocolla on mindat.org.
Malachite69 photos of Tenorite associated with Malachite on mindat.org.
Copper36 photos of Tenorite associated with Copper on mindat.org.
Cuprite36 photos of Tenorite associated with Cuprite on mindat.org.
Azurite31 photos of Tenorite associated with Azurite on mindat.org.
Quartz17 photos of Tenorite associated with Quartz on mindat.org.
Dolerophanite13 photos of Tenorite associated with Dolerophanite on mindat.org.
Chalcocyanite11 photos of Tenorite associated with Chalcocyanite on mindat.org.
Calcite8 photos of Tenorite associated with Calcite on mindat.org.
Goethite7 photos of Tenorite associated with Goethite on mindat.org.

Related Minerals - Nickel-Strunz Grouping

4.AB.Carbon Monoxide IceCO
4.AB.05CredneriteCuMnO2
4.AB.15DelafossiteCuFeO2
4.AB.15McconnelliteCuCrO2
4.AB.20BromelliteBeO
4.AB.20ZinciteZnO
4.AB.25BunseniteNiO
4.AB.25LimeCaO
4.AB.25ManganositeMnO
4.AB.25MonteponiteCdO
4.AB.25PericlaseMgO
4.AB.25WüstiteFeO
4.AB.30PalladinitePdO

Related Minerals - Hey's Chemical Index of Minerals Grouping

7.3.1CupriteCu2O
7.3.3ParamelaconiteCu2Cu2O3
7.3.4SpertiniiteCu(OH)2
7.3.5CredneriteCuMnO2
7.3.6DelafossiteCuFeO2
7.3.7CuprospinelCu2+Fe3+2O4

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Tenorite in petrology

Common component of (items highlighted in red)

References for Tenorite

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Werner (1789) Bergm. Journal (as Kupferschwärze).
Huot (1841) 326 (as Melaconite).
Semmola (1841) Opere Minori, 45, Napoli.
Semmola, M.S. (1842) Du cuivre oxidé natif (ténorite). Bulletin de la Société Géologique de France: 13: 206-211.
Scacchi (1842) Distrib. Sist. Min.: 40, Napoli (as Melacosina).
Dana (1850) System of Mineralogy, 5th ed., p. 518.
Church (1865) Cem. News: 11: 122.
Story-Maskelyne (1865) British Assoc., Rep.: 35: 33.
Story-Maskelyne (1866) Rss. Min. Ges. Vh.: 1: 147.
Scacchi (1875) Acc. Napoli, Att.: 6(9): 12.
Tunell, G., Posnjak, E., Ksanda, C.J. (1935) Geometrical and optical properties, and crystal structure of tenorite. Zeitschrift für Kristallographie: 90: 120-142.
Palache, C., Berman, H., Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Seventh edition, Volume I: 507-510.
Åsbrink, S., Norrby, L.-J. (1970) A refinement of the crystal structure of copper(II) oxide with a discussion of some exceptional E.s.d.'s. Acta Crystallographica: B26: 8-15.
Brese, N.E., O'Keeffe, M., Ramakrishna, B.L., Von Dreele, R.B. (1990) Low-temperature structures of CuO and AgO and their relationships to those of MgO and PdO. Journal of Solid State Chemistry: 89: 184-190.
Åsbrink, S., Waśkowska, A. (1991) CuO: X-ray single-crystal structure determination at 196 K and room temperature. Journal of Physics: Condensed Matter: 3: 8173-8180.
Debbichi, L., Marco de Lucas, M.C., Pierson, J.F., Krüger, P. (2012) Vibrational properties of CuO and Cu4O3 from first-principles calculations, and Raman and infrared spectroscopy. Journal of Physical Chemistry C: 116: 10232-10237.

Internet Links for Tenorite

mindat.org URL:
https://www.mindat.org/min-3912.html
Please feel free to link to this page.
Specimens:
The following Tenorite specimens are currently listed for sale on minfind.com.

Localities for Tenorite

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: July 24, 2017 07:36:39 Page generated: July 23, 2017 13:51:55
Go to top of page