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Martyite

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About MartyiteHide

03665740014947997743512.jpg
Joe Marty
Formula:
Zn3(V2O7)(OH)2 · 2H2O
Colour:
pale orange yellow
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
3.37
Crystal System:
Trigonal
Name:
Named for Mr. Joe Marty (1945- ), American medical technologist and mineral collector/micromounter, a member of the micromounters hall of fame, in recognition for his contributions to mineralogy.
Zn analogue of volborthite and karpenkoite.


Classification of MartyiteHide

Approved
Approval Year:
2007
8.FD.05

8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
D : Polyphosphates, etc., with OH and H2O
40.3.10.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O

Physical Properties of MartyiteHide

Adamantine
Transparency:
Transparent
Colour:
pale orange yellow
Hardness:
Tenacity:
Flexible
Cleavage:
Perfect
perfect on {001} and good on {110}
Comment:
thin flakes slightly flexible, coarser plates brittle with a curved fracture
Density:
3.37(3) g/cm3 (Measured)    3.375 g/cm3 (Calculated)

Optical Data of MartyiteHide

Type:
Uniaxial (+)
RI values:
nω = 1.793(3) nε = 1.806(3)
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Pleochroism:
Strong
Comments:
O (red-orange) >> E (yellow)

Chemical Properties of MartyiteHide

Formula:
Zn3(V2O7)(OH)2 · 2H2O
IMA Formula:
Zn3V2O7(OH)2 · 2H2O

Crystallography of MartyiteHide

Crystal System:
Trigonal
Class (H-M):
3m - Ditrigonal Pyramidal
Space Group:
P3m1
Cell Parameters:
a = 6.0818 Å, c = 7.1793 Å
Ratio:
a:c = 1 : 1.18
Unit Cell V:
229.97 ų
Z:
1
Morphology:
thin plates and flakes with {001} prominent. A poorly developed {110} also observed.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0006193MartyiteKampf A R, Steele I M (2008) Martyite, a new mineral species related to volborthite: Description and crystal structure The Canadian Mineralogist 46 687-6922008Blue Cap mine, San Juan County, Utah0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.211 Å(100)
4.252 Å(20)
2.968 Å(50)
2.628 Å(35)
2.470 Å(40)
1.773 Å(20)
1.513 Å(20)
1.485 Å(25)

Type Occurrence of MartyiteHide

General Appearance of Type Material:
a V-U oxide-replacement assemblage developed at the expense of organic material.
Place of Conservation of Type Material:
Natural History Museum of Los Angeles County, California, USA (catalog numbers 58610 and 58611).
Associated Minerals at Type Locality:

Synonyms of MartyiteHide

Other Language Names for MartyiteHide

Simplified Chinese:水钒锌石

Relationship of Martyite to other SpeciesHide

Other Members of this group:
KarpenkoiteCo3(V2O7)(OH)2 · 2H2OTrig. 3m (3 2/m) : P3m1
VolborthiteCu3(V2O7)(OH)2 · 2H2OMon. 2/m : B2/m

Related Minerals - Nickel-Strunz GroupingHide

8.FD.05VolborthiteCu3(V2O7)(OH)2 · 2H2OMon. 2/m : B2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

40.3.10.1VolborthiteCu3(V2O7)(OH)2 · 2H2OMon. 2/m : B2/m

Other InformationHide

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

References for MartyiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Green, D.I., Hubbard, N., and Ince, F. (2008) A review of the occurrences of the copper vanadate minerals volborthite and tangeite in the British Isles. Journal of the Russell Society, vol. 11, 54-58 (as IMA 2007-026).
Kampf, A.R. and I.M. Steele (2008) Martyite, a new mineral species related to volborthite: description and crystal structure. Canadian Mineralogist 46, 687-692.

Internet Links for MartyiteHide

Localities for MartyiteHide

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

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
USA
 
  • Colorado
    • Mesa Co.
      • Gateway
Kampf, A.R., Nash, B.P., Marty, J., Hughes, J.M. (2017) Mesaite, CaMn2+5(V2O7)3·12H2O, a new vanadate mineral from the Packrat mine, near Gateway, Mesa County, Colorado, USA. Mineralogical Magazine: 81: 319–327.
    • San Miguel Co.
      • Slick Rock Mining District
Collection Stephan Wolfsried, identified by Joe Marty who collected that piece personally.; Kampf, A. R., Plášil, J., Nash, B. P., & Marty, J. (2019). Ammoniomathesiusite, a new uranyl sulfate–vanadate mineral from the Burro mine, San Miguel County, Colorado, USA. Mineralogical Magazine, 83(1), 115-121.
  • Utah
    • Grand Co.
      • Thompsons Mining District
        • Yellow Cat Mesa
Kasatkin, A.V., Plášil, J., Marty, J., Belakovskiy, D.I., Lykova, I.S. (2014): Nestolaite, CaSeO3·H2O, a new mineral from the Little Eva mine, Grand County, Utah, USA. Mineralogical Magazine, 78, 497-505. ; Kasatkin, A. V., Plasil, J., Pekov, I. V., Belakovskiy, D. I., Nestola, F., Cejka, J., ... & Thorne, B. (2015). Karpenkoite, Co3 (V2O7)(OH) 2· 2H2O, a cobalt analogue of martyite from the Little Eva mine, Grand County, Utah, USA. Journal of Geosciences, 60(4), 251-257.
    • San Juan Co.
      • La Sal Mountains
        • La Sal Mining District (Paradox Valley Mining District)
          • La Sal
Kampf, A.R., Hughes, J.M., Marty, J., Nash, B. (2012) Postite, Mg(H2O)6Al2(OH)2(H2O)8(V10O28)∙13H2O, a new mineral species from the La Sal mining district, Utah: crystal structure and descriptive mineralogy. The Canadian Mineralogist: 50(1): 45-53.
          • Lion Canyon
Canadian Mineralogist 46,687-692(2008); Kampf A R, Hughes J M, Marty J, Nash B (2012) Postite, Mg(H2O)6Al2(OH)2(H2O)8(V10O28)·13H2O, a new mineral species from the La Sal Mining District, Utah: Crystal structure and descriptive mineralogy. The Canadian Mineralogist 50, 45-53
 
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