Theisite
A valid IMA mineral species
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About Theisite
Nicholas J. Theis
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
symbol to view information about a locality.
The 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).
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