Theisite
A valid IMA mineral species
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About Theisite
Formula:
Cu5Zn5(AsO4,SbO4)2(OH)14
Colour:
Greenish blue, turquoise-blue, pale turquoise-green, pale emerald-green
Lustre:
Pearly
Hardness:
1½
Specific Gravity:
4.3
Crystal System:
Orthorhombic
Name:
Named in honor of Nicholas James Theis (b. 29 July 1946, Willmar, Minnesota, USA, deceased 5 July 2021, Carollton, Texas), geologist, Bendix Corporation. Along with Michael E. Madson, he discovered the mineral.
Type Locality:
Unique Identifiers
Mindat ID:
3934
Long-form identifier:
mindat:1:1:3934:1
GUID
(UUID V4):
(UUID V4):
84894202-b046-4af4-bc0e-6a82abd38de3
IMA Classification of Theisite
Approved
IMA Formula:
Cu5Zn5(AsO4)2(OH)14
Approval year:
1980
Classification of Theisite
8.BE.75
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
E : With only medium-sized cations, (OH, etc.):RO4 > 2:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
E : With only medium-sized cations, (OH, etc.):RO4 > 2:1
41.1.2.1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p > 4:1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p > 4:1
24.2.5
24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg
24 : Antimonates and Antimonites
2 : Antimonates of Be, Mg, Ca, Zn or Hg
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Ths | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Theisite
Pearly
Transparency:
Translucent
Comment:
Pearly on cleavages
Colour:
Greenish blue, turquoise-blue, pale turquoise-green, pale emerald-green
Streak:
Off-white
Hardness:
1½ on Mohs scale
Tenacity:
Sectile
Cleavage:
Perfect
{001}
{001}
Density:
4.3 g/cm3 (Measured) 4.45 g/cm3 (Calculated)
Optical Data of Theisite
Type:
Biaxial (-)
RI values:
nα = 1.755 nβ = 1.785 nγ = 1.785
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
distinct to strong
Comments:
nearly uniaxial (–)
Chemistry of Theisite
Mindat Formula:
Cu5Zn5(AsO4,SbO4)2(OH)14
Crystallography of Theisite
Crystal System:
Orthorhombic
Cell Parameters:
a = 8.222(2) Å, b = 7.123 Å, c = 14.97(3) Å
Ratio:
a:b:c = 1.154 : 1 : 2.102
Unit Cell V:
876.72 ų (Calculated from Unit Cell)
Z:
2
Comment:
pseudohexagonal. Point Group: n.d.; Space Group: n.d.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
14.97 Å | (9) |
7.483 Å | (5) |
4.112 Å | (4) |
3.741 Å | (10) |
2.534 Å | (9) |
1.830 Å | (5) |
1.533 Å | (5) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47d : [Arsenates, antimonates, selenates, bismuthinates] |
Type Occurrence of Theisite
Place of Conservation of Type Material:
The Natural History Museum, London, England, 1984,478.
Associated Minerals at Type Locality:
Reference:
Williams, S.A. (1982) Theisite, a new mineral from Colorado. Mineralogical Magazine: 46: 49-50.
Synonyms of Theisite
Other Language Names for Theisite
Common Associates
Associated Minerals Based on Photo Data:
144 photos of Theisite associated with Azurite | Cu3(CO3)2(OH)2 |
51 photos of Theisite associated with Claraite | (Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2O |
20 photos of Theisite associated with Veszelyite | (Cu,Zn)2Zn(PO4)(OH)3 · 2H2O |
10 photos of Theisite associated with Zincolivenite | CuZn(AsO4)(OH) |
9 photos of Theisite associated with Tyrolite | Ca2Cu9(AsO4)4(CO3)(OH)8 · 11H2O |
7 photos of Theisite associated with Calcite | CaCO3 |
6 photos of Theisite associated with Hemimorphite | Zn4Si2O7(OH)2 · H2O |
5 photos of Theisite associated with Quartz | SiO2 |
5 photos of Theisite associated with Malachite | Cu2(CO3)(OH)2 |
5 photos of Theisite associated with Aragonite | CaCO3 |
Related Minerals - Strunz-mindat Grouping
8.BE.05 | Augelite | Al2(PO4)(OH)3 |
8.BE.10 | Grattarolaite | Fe3+3(PO4)O3 |
8.BE.15 | Cornetite | Cu3(PO4)(OH)3 |
8.BE.20 | Clinoclase | Cu3(AsO4)(OH)3 |
8.BE.25 | Arhbarite | Cu2Mg(AsO4)(OH)3 |
8.BE.25 | Gilmarite | Cu3(AsO4)(OH)3 |
8.BE.30 | Allactite | Mn2+7(AsO4)2(OH)8 |
8.BE.30 | Flinkite | Mn2+2Mn3+(AsO4)(OH)4 |
8.BE.30 | Raadeite | Mg7(PO4)2(OH)8 |
8.BE.30 | Argandite | Mn7(VO4)2(OH)8 |
8.BE.35 | Chlorophoenicite | (Mn,Mg)3Zn2(AsO4)(OH,O)6 |
8.BE.35 | Magnesiochlorophoenicite | (Mg,Mn)3Zn2(AsO4)(OH,O)6 |
8.BE.35 | Mineral E (of Dunn, et. al., 1982) | |
8.BE.40 | Gerdtremmelite | (Zn,Fe)(Al,Fe)2(AsO4)(OH)5 |
8.BE.45 | Dixenite | CuMn2+14Fe2+(SiO4)2(As5+O4)(As3+O3)5(OH)6 |
8.BE.45 | Hematolite | (Mn,Mg,Al,Fe3+)15(As5+O4)2(As3+O3)(OH)23 |
8.BE.45 | Kraisslite | Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16 |
8.BE.45 | Mcgovernite | Mn19Zn3(AsO4)3(AsO3)(SiO4)3(OH)21 |
8.BE.45 | Arakiite | (Zn,Mn2+)(Mn2+,Mg)12(Fe3+,Al)2(As5+O4)2(As3+O3)(OH)23 |
8.BE.45 | Turtmannite | (Mn,Mg)22.5Mg3-3x((V5+,As5+)O4)3(As3+O3)x(SiO4)3O5-5x(OH)20+x |
8.BE.45 | Carlfrancisite | Mn2+3(Mn2+,Mg,Fe3+,Al)42[As3+O3]2(As5+O4)4[(Si,As5+)O4]6[(As5+,Si)O4]2(OH)42 |
8.BE.50 | Synadelphite | Mn2+9(As5+O4)2(As3+O3)(OH)9 · 2H2O |
8.BE.55 | Holdenite | (Mn2+,Mg)6Zn3(AsO4)2(SiO4)(OH)8 |
8.BE.60 | Kolicite | Mn2+7Zn4(AsO4)2(SiO4)2(OH)8 |
8.BE.65 | Sabelliite | (Cu,Zn)2Zn(AsO4,SbO4)(OH)3 |
8.BE.70 | Jarosewichite | Mn2+3Mn3+(AsO4)(OH)6 |
8.BE.80 | Coparsite | Cu4(AsO4,VO4)O2Cl |
8.BE.85 | Waterhouseite | Mn2+7(PO4)2(OH)8 |
8.BE.90 | Vasilseverginite | Cu9O4(AsO4)2(SO4)2 |
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.
Internet Links for Theisite
mindat.org URL:
https://www.mindat.org/min-3934.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Theisite
Reference List:
Williams, S. A. (1982) Theisite, a new mineral from Colorado. Mineralogical Magazine, 46 (338) 49-50 doi:10.1180/minmag.1982.046.338.08
Fleischer, Michael, Pabst, Adolf (1983) New Mineral Names. American Mineralogist, 68 (1-2) 280-283 p.282
Localities for Theisite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Austria | |
| Niedermayr et al. (1995) |
| M. Puttner: Carinthia II 188./108.:193-199 (1998) |
G.Indra | |
| www.indra-g.at (2016) |
| Weissensteiner et al. (2011) |
| Niedermayr et al. (1995) |
G. Blass (2000) | |
Puttner (1996) | |
| Pichler (2009) |
| Kolitsch et al. (2022) |
| Schachinger et al. (2014) |
| Schnorrer et al. (2000) |
| Schachinger et al. (2014) |
| Kolitsch et al. (2010) |
| Brandstätter et al. (2010) |
| Lapis 19 (7/8) |
| Schnorrer et al. (2002) |
Poeverlein et al. (2007) | |
Der Aufschluß (2006) | |
| Lapis 19 (7/8) |
| - (n.d.) |
Schnorrer et al. (2005) | |
Schnorrer+Poeverlein (2005) | |
Lapis 19 (7/8) | |
C.Auer (2011) | |
| Putz et al. (2007) |
A.Lechner | |
| P Haas collection |
| C.Auer (2015) |
C.Auer (2015) | |
| Arlt et al. (1994) |
| Schnorrer et al. (2007) |
China | |
| Georges Favreau collection |
| Hercule Shen's Collection |
Hercule Shen | |
France | |
| Les Anciennes mines de Padern - Montgaillard ( Aude ) |
idem (2005...) +1 other reference | |
| www.zampano.com (n.d.) |
| Queneau (n.d.) |
Germany | |
| Walenta (1992) |
| Walenta (1992) |
| Weiß (1990) |
Neschen (n.d.) | |
| Schnorrer-Köhler (1988) |
| Schnorrer-Köhler (1988) |
| www.mineralienfreunde-der-pfalz.de (2015) |
Ireland | |
| de Haller |
Italy | |
| Dondi et al. (1995) |
| Prof. Andrea Palenzona |
| Vergani (2019) +1 other reference |
| Stara P. (1996) |
Stara et al. (1996) | |
| - (2023) |
| Orlandi et al. (2009) |
| Orlandi et al. (2009) |
| Orlandi et al. (2005) |
Japan | |
| Matsubara et al. (2006) |
Morocco | |
| Georges Favreau collection |
| Georges FAVREAU collection + EDX ... |
Barral (2023) | |
Romania | |
| Collected by Gábor Koller (S.Szakáll) |
Spain | |
| Vrtiška L et al. (2017) +1 other reference |
| Garrido et al. (2013) |
| Mineralogía de la concesión San Rafael |
| issuu.com (n.d.) +1 other reference |
Switzerland | |
| Stalder et al. (1998) |
| Stalder et al. (1998) +1 other reference |
| Hartmut Hensel and Thomas Raber ... |
| |
| Ansermet (2012) |
Ansermet (2012) | |
Stalder et al. (1998) +1 other reference | |
USA (TL) | |
| Mineralogical Magazine (1982) +1 other reference |
| Jensen et al. (2012) |
| Collected by and in the collection of ... |
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Black Pine Mine, Philipsburg Mining District, Granite County, Montana, USA