Metadelrioite Mineral Data

General Metadelrioite Information

Chemical Formula:

CaSrV2O6(OH)2•(H2O)

Composition:

Molecular Weight = 377.61 gm

Strontium 23.20 % Sr 27.44 % SrO

Calcium 10.61 % Ca 14.85 % CaO

Vanadium 26.98 % V 48.17 % V₂O₅

Hydrogen 1.07 % H 9.54 % H₂O

Oxygen 38.13 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaSrV⁵⁺₂O₆(OH)₂•(H₂O)

Environment:

Coatings on sandstone intergrown with delrioite.

IMA Status:

Approved IMA 1970

Locality:

Jo Dandy mine, Montrose County, Colorado, USA. Link to MinDat.org Location Data.

Name Origin:

Named as the lower hydrate of delrioite which was named for Andres M. del Rio (1764-1849), Mexican mineralogist, who discovered vanadium.

Name Pronunciation:

Metadelrioite + Pronunciation

Metadelrioite Image

Images:

Metadelrioite Delrioite

Comments: Yellow metadelrioite and delrioite, with orange rossite/metarossite on a sandstone matrix. See inset image.
Location: Jo Dandy Mine, Montrose CO., USA. Scale: 6 1/4" x 5 1/2".
© Chris Wright / Wrights Rock Shop

Metadelrioite Crystallography

Axial Ratios:

a:b:c =0.876:1:0.6104

Cell Dimensions:

a = 7.343, b = 8.382, c = 5.117, Z = 2; alpha = 119.65°, beta = 90.27°, gamma = 102.82° V = 266.88 Den(Calc)= 4.70

Crystal System:

Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.457(1), 4.944(1), 4.732(0.8),

Physical Properties of Metadelrioite

Color:

Pale yellow green.

Density:

4.3

Habit:

Fibrous - Crystals made up of fibers.

Hardness:

2 - Gypsum

Luster:

Vitreous - Pearly

Streak:

pale yellow green

Optical Properties of Metadelrioite

Optical Data:

NCalc= 2.27 - from Gladstone-Dale relationship (KC = 0.2672) where Ncalc=Dcalc*KC+1
NCalc= 2.15 - from Gladstone-Dale relationship (KC = 0.2672) where Ncalc=Dmeas*KC+1

Calculated Properties of Metadelrioite

Electron Density:

Bulk Density (Electron Density)=4.52 gm/cc
note: Specific Gravity of Metadelrioite =4.74 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_{Metadelrioite}= 32.30 barns/electron
U=PE_{Metadelrioite} x rElectron Density= 145.98 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Metadelrioite is Not Radioactive

Metadelrioite Classification

Dana Class:

47.01.02.02 (47)Vanadium Oxysalts

(47.01)(Normal VO3)

(47.01.02)Delrioite Group

47.01.02.01 Delrioite CaSrV2O6(OH)2•3(H2O) I/a or I2/a 2/m

47.01.02.02 Metadelrioite CaSrV2O6(OH)2•(H2O) P1 1

Strunz Class:

04.HG.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.H - V[5,6] Vanadates

04.HG -Unclassified V oxides

04.HG.40 Metadelrioite CaSrV2O6(OH)2•(H2O) P1 1

Other Metadelrioite Information

References:

NAME( Dana8) PHYS. PROP.(Dana8)

See Also:

Links to other databases for Metadelrioite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Metadelrioite Specimen Label here :

Metadelrioite

CaSrV2O6(OH)2•(H2O)
Dana No: 47.01.02.02 Strunz No: 04.HG.40
Locality:

Notes:

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