Metadelrioite Mineral Data

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.

Metadelrioite Image

Images:

Click Here for Larger Metadelrioite Image

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 - PinacoidalH-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= 2.26 - 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:

r_electron=4.48 gm/cc
note: r_{Metadelrioite}=4.70 gm/cc.

Fermion Index

Fermion Index = 0.01724
Boson Index = 0.98276

Photoelectric:

PE_{Metadelrioite}= 32.30 barns/electron
U=PE_{Metadelrioite} x r_electron= 144.75 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Metadelrioite is Not Radioactive

Metadelrioite Classification

Dana Class:

47.1.2.2 (47)Vanadium Oxysalts

(47.1)(Normal VO3)

(47.1.2)Dana Group

47.1.2.1 Delrioite CaSrV2O6(OH)2·3(H2O) I/a or I2/a 2/m

47.1.2.2 Metadelrioite CaSrV2O6(OH)2·(H2O) P1 1

Strunz Class:

IV/G.07-80 IV - Oxides

IV/G - Vanadiumoxides (with V4+/5+) Chain vanadates with [V2O6]2-

IV/G.07 - Navajoite-Metadelrioite series

IV/G.07-10 Navajoite V2O5·3(H2O) C 2/m 2/m

IV/G.07-15 Ankinovichite! (Ni,Zn)Al4(VO3)2(OH)12(H2O)2.5 P 2₁/n 2/m

IV/G.07-20 Alvanite (Zn,Ni)Al4(VO3)2(OH)12·2(H2O) P 2₁/n 2/m

IV/G.07-30 Munirite NaVO3·(2-x)(H2O) P 2₁/a 2/m

IV/G.07-40 Metamunirite Na2[V2O6]orNaVO3 P nma 2/m 2/m 2/m

IV/G.07-45 Dickthomssenite! Mg(V2O6)·7(H2O) C 2/c 2/m

IV/G.07-48 Ansermetite! MnV2O6·4(H2O) C 2/m 2/m

IV/G.07-50 Rossite CaV2O6·4(H2O) P1 1

IV/G.07-60 Metarossite CaV2O6·2(H2O) P1 1

IV/G.07-70 Delrioite CaSrV2O6(OH)2·3(H2O) I/a or I2/a 2/m

IV/G.07-80 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Metadelrioite

CaSrV2O6(OH)2·(H2O)
Dana No: 47.1.2.2 Strunz No: IV/G.07-80
Locality:

Notes: