Metarossite Mineral Data +

Dan Weinrich Fine Minerals

General Metarossite Information
Chemical Formula:	CaV2O6·2(H2O)
Composition:	Molecular Weight = 273.99 gm
	Calcium   14.63 %  Ca   20.47 % CaO
	Vanadium  37.19 %  V    66.38 % V2O5
	Hydrogen   1.47 %  H    13.15 % H2O
	Oxygen    46.72 %  O
	______        ______
	100.00 %      100.00 % = TOTAL OXIDE
Empirical Formula:	CaV5+2O6·2(H2O)
Environment:	Coatins on sandstone.
IMA Status:	Valid Species (Pre-IMA) 1927
Locality:	Bull Pen Canyon, San Miguel County, Colorado, USA. Link to MinDat.org Location Data.
Name Origin:	Named as the dehydration procutc of rossite.
Synonym:	ICSD 40085
	PDF 29-392
Metarossite Image
Images:	Metarossite Comments: Light yellow metarossite on sandstone. Location: Burro Mine, Slick Rock District, San Miguel Co., Colorado. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag
Images:	Metarossite Comments: Bright yellow platy crystals to about 0.5mm covering sandstone matrix. Location: Arrowhead Claim, San Miguel Co., Colorado, USA. Scale: Picture size 1 cm. © Tom Loomis / Dakota Matrix
Metarossite Crystallography
Axial Ratios:	a:b:c =0.8796:1:1.0996
Cell Dimensions:	a = 6.215, b = 7.065, c = 7.769, Z = 2; alpha = 92.92°, beta = 96.65°, gamma = 105.78° V = 325.64 Den(Calc)= 2.79
Crystal System:	Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
X Ray Diffraction:	By Intensity(I/Io): 5.926(1), 6.773(0.63), 5.034(0.58),
Crystal Structure: Mouse drag1 - LMB Manipulate Structure drag2 - RMB Resize/Rotate Keyboard S - Stereo Pair on/off H - Help Screen I - Data Info A - Atoms On/Off P - Polyhedra On/Off B - Bonds On/Off Help on Above	Kelsey C H , Barnes W H , The Canadian Mineralogist , 6 (1960) p.448-466, The crystal structure of metarossite, Locality: Thompson s, Utah, USA
Physical Properties of Metarossite
Color:	Yellow.
Density:	2.45
Hardness:	1-2 - Between Talc and Gypsum
Luminescence:	Non-fluorescent.
Luster:	Vitreous - Pearly
Optical Properties of Metarossite
Gladstone-Dale:	CI meas= -0.103 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= 0.032 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.3035,KPDmeas= 0.3456,KC= 0.3134
Optical Data:	Biaxial (+), a=1.84, b=1.85, g=1.85, bire=0.0100, 2V(Calc)=0, 2V(Meas)=70. Dispersion relatively strong.
Calculated Properties of Metarossite
Electron Density:	relectron=2.73 gm/cc note: rMetarossite =2.79 gm/cc.
Fermion Index	Fermion Index = 0.00135 Boson Index = 0.99865
Photoelectric:	PEMetarossite = 8.87 barns/electron U=PEMetarossite x relectron= 24.20 barns/cc.
Radioactivity:	GRapi = 0 (Gamma Ray American Petroleum Institute Units) Metarossite is Not Radioactive
Metarossite Classification
Dana Class:	47.1.1.2 (47)Vanadium Oxysalts
	(47.1)(Normal VO3)
	(47.1.1)Dana Group
	47.1.1.1 Rossite CaV2O6·4(H2O) P1 1
	47.1.1.2 Metarossite CaV2O6·2(H2O) P1 1
	47.1.1.3 Ansermetite! MnV2O6·4(H2O) C 2/m 2/m
Strunz Class:	IV/G.07-60 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 Metarossite Information
References:	NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:	Links to other databases for Metarossite : 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 - WWW-MINCRYST 13 -École des Mines de Paris Search for Metarossite using:   Web webmineral.com [ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO] Visit our Advertisers for Metarossite : AA Mineral Specimens B & L Fine Minerals Crystal Vaults Dan Weinrich Fine Minerals Dan Weinrich Auctions e-Rocks Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals Rockshop.cz T G Fine Minerals Wrights Rock Shop Translate Metarossite Mineral Data : Ask about Metarossite here : Ask-A-Mineralogist from the Mineralogical Society of America Mindat.org's Discussion Groups Original Rockhounds Discussion Group Rockhounds Discussion Group on Yahoo Groups Mineral Discussion Forum from Fabre Minerals - also available in Español Print or Cut-and-Paste your Metarossite Specimen Label here : Metarossite CaV2O6·2(H2O) Dana No: 47.1.1.2 Strunz No: IV/G.07-60 Locality:   Notes: