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Orthominasragrite

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About OrthominasragriteHide

Formula:
(V4+O)(SO4) · 5H2O
Colour:
Blue
Lustre:
Vitreous
Hardness:
1
Specific Gravity:
2 (Calculated)
Crystal System:
Orthorhombic
This page provides mineralogical data about Orthominasragrite.


Classification of OrthominasragriteHide

Approved
Approval Year:
2000
7.DB.20

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
B : With only medium-sized cations; insular octahedra and finite units

Physical Properties of OrthominasragriteHide

Vitreous
Colour:
Blue
Streak:
Pale blue
Hardness:
Hardness Data:
Estimated
Cleavage:
None Observed
Density:
2 g/cm3 (Calculated)

Optical Data of OrthominasragriteHide

Type:
Biaxial (-)
RI values:
nα = 1.529 nβ = 1.534 nγ = 1.534
2V:
Measured: 2°
Max Birefringence:
δ = 0.005
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Pleochroism:
Non-pleochroic

Chemical Properties of OrthominasragriteHide

Formula:
(V4+O)(SO4) · 5H2O
IMA Formula:
V4+O(SO4) · 5H2O

Crystallography of OrthominasragriteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Pmn21
Cell Parameters:
a = 7.246 Å, b = 9.333 Å, c = 6.21 Å
Ratio:
a:b:c = 0.776 : 1 : 0.665
Unit Cell V:
420 ų
Z:
2
Twinning:
None mentioned

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.699 (100B)
3.734 (20)
3.622 (20)
3.322 (50)
3.108 (20)
2.865 (40)
2.602 (30)
2.363 (20)
202)(
2.030 (20)

Type Occurrence of OrthominasragriteHide

Geological Setting of Type Material:
In a silicified tree - approx 46cm x 30cm
Associated Minerals at Type Locality:

Synonyms of OrthominasragriteHide

Other Language Names for OrthominasragriteHide

Simplified Chinese:斜方钒矾
Traditional Chinese:斜方釩礬

Relationship of Orthominasragrite to other SpeciesHide

Other Members of this group:
Anorthominasragrite(V4+O)(SO4) · 5H2OTric. 1 : P1
Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Anorthominasragrite1 photo of Orthominasragrite associated with Anorthominasragrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.DB.05AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
7.DB.05Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
7.DB.05Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
7.DB.10KhademiteAl(SO4)F · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.10RostiteAl(SO4)(OH) · 5H2OOrth. mmm (2/m 2/m 2/m)
7.DB.15JurbaniteAl(SO4)(OH) · 5H2OMon.
7.DB.20Minasragrite(V4+O)(SO4) · 5H2OMon. 2/m
7.DB.20Anorthominasragrite(V4+O)(SO4) · 5H2OTric. 1 : P1
7.DB.25Bobjonesite(V4+O)(SO4) · 3H2OMon. 2/m
7.DB.30AmarantiteFe3+2(SO4)2O · 7H2OTric. 1
7.DB.30HohmanniteFe3+2(SO4)2O · 8H2OTric. 1
7.DB.30MetahohmanniteFe3+2(SO4)2O · 4H2OTric. 1 : P1
7.DB.35AluminocopiapiteAl2/3Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CalciocopiapiteCaFe4(SO4)6(OH)2 · 10H2OTric. 1 : P1
7.DB.35CopiapiteFe2+Fe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35CuprocopiapiteCuFe4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35FerricopiapiteFe5(SO4)6O(OH) · 20H2OTric. 1 : P1
7.DB.35MagnesiocopiapiteMgFe3+4(SO4)6(OH)2 · 20H2OTric. 1 : P1
7.DB.35ZincocopiapiteZnFe3+4(SO4)6(OH)2 · 18H2OTric.

Other InformationHide

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 OrthominasragriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Canadian Mineralogist (2001): 39: 1325-1331.

Internet Links for OrthominasragriteHide

Localities for OrthominasragriteHide

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
    • Montrose Co.
      • Uravan District
Analyzed and in the collection of Brent Thorne
  • Utah
    • Emery Co.
      • San Rafael District (San Rafael Swell)
        • Temple Mountain
Canadian Mineralogist 39:1325-1331
Patrick Haynes
Mineral and/or Locality  
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