Martyite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Martyite
Joe Marty
Formula:
Zn3(V2O7)(OH)2 · 2H2O
Colour:
pale orange yellow
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
3.37
Crystal System:
Trigonal
Member of:
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.
Unique Identifiers
Mindat ID:
32207
Long-form identifier:
mindat:1:1:32207:8
GUID
(UUID V4):
(UUID V4):
91a295d7-6472-4695-a8af-ced94405659c
IMA Classification of Martyite
Classification of Martyite
8.FD.05
8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
D : Polyphosphates, etc., with OH and H2O
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
40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
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 |
|---|---|---|
| Myi | 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 Martyite
Adamantine
Transparency:
Transparent
Colour:
pale orange yellow
Hardness:
3 on Mohs scale
Tenacity:
Flexible
Cleavage:
Perfect
perfect on {001} and good on {110}
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 Martyite
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.
and does not take into account mineral colouration.
Surface Relief:
Very High
Pleochroism:
Strong
Comments:
O (red-orange) >> E (yellow)
Chemistry of Martyite
Mindat Formula:
Zn3(V2O7)(OH)2 · 2H2O
Elements listed:
Crystallography of Martyite
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 Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006193 | Martyite | Kampf A R, Steele I M (2008) Martyite, a new mineral species related to volborthite: Description and crystal structure The Canadian Mineralogist 46 687-692 |  | 2008 | Blue Cap mine, San Juan County, Utah | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 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) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47e : [Vanadates, chromates, manganates] |
Type Occurrence of Martyite
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 Martyite
Other Language Names for Martyite
Simplified Chinese:水钒锌石
Relationship of Martyite to other Species
Member of:
Other Members of this group:
| Karpenkoite | Co3(V2O7)(OH)2 · 2H2O | Trig. 3m (3 2/m) : P3m1 |
| Volborthite | Cu3(V2O7)(OH)2 · 2H2O | Mon. 2/m : B2/m |
Common Associates
Related Minerals - Strunz-mindat Grouping
| 8.FD.05 | Volborthite | Cu3(V2O7)(OH)2 · 2H2O |
| 8.FD.05 | Karpenkoite | Co3(V2O7)(OH)2 · 2H2O |
| 8.FD.10 | Vanarsite | NaCa12(As3+V5+8.5V4+3.5As5+6O51)2 · 78H2O |
| 8.FD.10 | Packratite | Ca11(As3+V5+10V4+2As5+6O51)2 · 83H2O |
| 8.FD.10 | Morrisonite | Ca11(As3+V4+2V5+10As5+6O51)2 · 78H2O |
| 8.FD.10 | Gatewayite | Ca6(As3+V4+3 V5+9As5+6O51) · 31H2O |
| 8.FD.10 | Kegginite | Pb3Ca3[AsV12O40(VO)] · 20H2O |
| 8.FD.10 | Bicapite | [KNa2Mg2(H2O)25][H2PV5+12O40(V5+O)2] |
| 8.FD.10 | Lumsdenite | NaCa3Mg2(As3+V4+2V5+10As5+6O51) · 45H2O |
| 8.FD.15 | Chinchorroite | Na2Mg5(As2O7)2(AsO3OH)2(H2O)10 |
Other Information
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.
Internet Links for Martyite
mindat.org URL:
https://www.mindat.org/min-32207.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 Martyite
Localities for Martyite
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.
USA | |
| Kampf et al. (2017) |
| Collection Stephan Wolfsried +1 other reference |
| Kasatkin et al. (2014) +1 other reference |
| Kampf et al. (2008) +1 other reference |
| Kampf et al. (2012) |
Quick NavTopAbout MartyiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
Blue Cap Mine, La Sal Creek Mining District, San Juan County, Utah, USA