Zincite (original) (raw)
A valid IMA mineral species - grandfathered
About ZinciteHide
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Colour:
Red, orange, yellow, white; rarely green
Lustre:
Sub-Vitreous, Resinous, Waxy, Greasy, Silky, Dull, Earthy
Specific Gravity:
5.64 - 5.68
Name:
Named "red oxide of zinc" in 1810 by Archibald Bruce as a chemical name typical of then current mineral nomenclature practice. Renamed "zincite" in 1845 by Wilhelm Karl von Haidinger. Francis Alger called this mineral "sterlingite" in 1844, while Henry James Brooke and William Hallowes Miller named this mineral "spartalite" in 1852.
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:4410:9
13808655-50c4-41c9-b861-f28a2f1f4e42
IMA Classification of ZinciteHide
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Approved, 'Grandfathered' (first described prior to 1959)
Classification of ZinciteHide
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4.AB.20
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
4.2.2.1
4 : SIMPLE OXIDES
2 : AX
7.5.1
7 : Oxides and Hydroxides
5 : Oxides of Zn, Cd and Hg
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Znc | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Znc | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of ZinciteHide
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Sub-Vitreous, Resinous, Waxy, Greasy, Silky, Dull, Earthy
Transparency:
Transparent, Translucent, Opaque
Comment:
Found in a wide variety of textures
Colour:
Red, orange, yellow, white; rarely green
Cleavage:
Perfect
{1010} perfect, but difficult.
Parting:
On {0001} distinct at times.
Density:
5.64 - 5.68 g/cm3 (Measured) 5.699 g/cm3 (Calculated)
Optical Data of ZinciteHide
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RI values:
_n_ω = 2.013 - 2.032 _n_ε = 2.029 - 2.048
δ = 0.016
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Colour in reflected light:
Light rose-brown
Chemistry of ZinciteHide
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Crystallography of ZinciteHide
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Class (H-M):
6_m_ m - Dihexagonal Pyramidal
Cell Parameters:
a = 3.24 Å, c = 5.20 Å
Unit Cell V:
47.27 ų (Calculated from Unit Cell)
Morphology:
Crystals extremely rare. Hemimorphic pyramidal with a large negative pedion {0001}. Often rounded and corroded. Usually massive, foliated; also compact granular, and in rounded irregular masses.
Twinning:
On {0001}, composition plane always {0001}.
Crystallographic forms of ZinciteHide
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Crystal Atlas:
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3d models and HTML5 code kindly provided bywww.smorf.nl.
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Crystal StructureHide
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X-Ray Powder DiffractionHide
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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.816 Å | (71) |
| 2.602 Å | (56) |
| 2.476 Å | (100) |
| 1.911 Å | (29) |
| 1.626 Å | (40) |
| 1.477 Å | (35) |
| 1.407 Å | (6) |
| 1.379 Å | (28) |
| 1.359 Å | (14) |
| 1.301 Å | (3) |
| 1.238 Å | (5) |
| 1.1812 Å | (3) |
| 1.0929 Å | (10) |
| 1.0639 Å | (4) |
| 1.0422 Å | (10) |
| 1.0158 Å | (5) |
| 0.9848 Å | (4) |
| 0.9764 Å | (7) |
| 0.9555 Å | (1) |
| 0.9832 Å | (4) |
| 0.9069 Å | (12) |
| 0.8826 Å | (6) |
| 0.8675 Å | (1) |
| 0.8369 Å | (6) |
| 0.8290 Å | (2) |
| 0.8237 Å | (2) |
| 0.8125 Å | (5) |
Comments:
ICDD 5-664 (synthetic)
Geological EnvironmentHide
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Type Occurrence of ZinciteHide
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Geological Setting of Type Material:
Metamorphic Precambrian zinc-manganese-iron oxide-silicate ore bodies in crystalline Franklin marble.
Associated Minerals at Type Locality:
Synonyms of ZinciteHide
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Other Language Names for ZinciteHide
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Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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Fluorescence of ZinciteHide
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Yellow-green (SW UV) (light yellow material from Sterling Mine only).
Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
Source of refined zinc oxide (Franklin ores only)
Internet Links for ZinciteHide
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References for ZinciteHide
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Localities for ZinciteHide
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This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 
symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Locality ListHide
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 
- Good crystals or important locality for species. 
- World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.