Haggite Mineral Data

General Haggite Information

Chemical Formula:

V2O2(OH)3

Composition:

Molecular Weight = 184.90 gm

Vanadium 55.10 % V 81.06 % V₂O₃

Hydrogen 1.64 % H 14.61 % H₂O

Oxygen 43.26 % O

______ ______

100.00 % 95.67 % = TOTAL OXIDE

Empirical Formula:

V³⁺₂O₂(OH)₃

Environment:

In the oxidized zone of Colorado Plateau-type U-V deposits. Intimately intergrown with other vanadium oxide hydrates.

IMA Status:

Approved IMA 1958

Locality:

In sandstone from a drill core at 55 m from near Carlile, Crook County, Wyoming, USA Link to MinDat.org Location Data.

Name Origin:

Named for Gunnar Hagg (1903-), chemist and crystallographer, of the University of Uppsala, Sweden.

Name Pronunciation:

Haggite

Synonym:

Haeggite

Haggite Image

Images:

Haggite

Comments: Black botryoidal to massive haggite in beige calcite with yellowish tyuyamunite.
Location: Section 33 Mine, near Grants, Valencia County, New Mexico, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Haggite Crystallography

Axial Ratios:

a:b:c =4.0702:1:1.6153

Cell Dimensions:

a = 12.17, b = 2.99, c = 4.83, Z = 2; beta = 98.25° V = 173.94 Den(Calc)= 3.53

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m

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

By Intensity(I/I_o): 4.8(1), 4.05(0.5), 3.02(0.25),

Crystal Structure:

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Evans H T , Mrose M E , American Mineralogist , 45 (1960) p.1144-1166, A crystal chemical study of the vanadium oxide minerals, haggite and doloresite

Physical Properties of Haggite

Color:

Black.

Diaphaneity:

Opaque

Habit:

Botryoidal - "Grape-like" rounded forms (e.g.. malachite).

Habit:

Disseminated - Occurs in small, distinct particles dispersed in matrix.

Habit:

Efflorescences - Crystals covering matrix, generally produced from transpiro-evaporation.

Hardness:

4.5 - Between Fluorite and Apatite

Luster:

Sub Metallic

Optical Properties of Haggite

Optical Data:

NCalc= 1.97 - from Gladstone-Dale relationship (KC = 0.2758) where Ncalc=Dcalc*KC+1

RL Anisotrophism:

Very strong; yellowish gray to bluish gray.

RL Color:

Yellowish gray to dark gray.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Haggite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
440 nm	11.70	11.00
460 nm	11.80	11.00
480 nm	12.00	11.00
500 nm	12.30	11.00
520 nm	12.30	11.00
540 nm	13.00	11.10
560 nm	13.40	11.20
580 nm	13.70	11.20
600 nm	14.00	11.20
620 nm	14.30	11.20
640 nm	14.60	11.20
660 nm	14.90	11.30
680 nm	15.20	11.50
700 nm	15.60	11.90

**Calculated Relative Intensity Colors of Haggite in Air**
Relative Intensity	0%	80%	100%	160%	240%	320%	400%	480%	560%	640%	720%	800%
R₁
R₂

Calculated Properties of Haggite

Electron Density:

Bulk Density (Electron Density)=3.40 gm/cc
note: Specific Gravity of Haggite =3.53 gm/cc.

Fermion Index:

Fermion Index = 0.0015876342
Boson Index = 0.9984123658

Photoelectric:

PE_Haggite= 10.52 barns/electron
U=PE_Haggite x rElectron Density= 35.74 barns/cc.

Radioactivity:

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

Haggite Classification

Dana Class:

06.04.03.01 (06)Hydroxides and Oxides Containing Hydroxyl

(06.04)containing multiple cations

(06.04.03)Dana Group

06.04.03.01 Haggite V2O2(OH)3 C 2/m 2/m

Strunz Class:

04.HE.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.H - V[5,6] Vanadates

04.HE -Phyllovanadates

04.HE.25 Haggite V2O2(OH)3 C 2/m 2/m

Other Haggite Information

References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

See Also:

Links to other databases for Haggite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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Ask about Haggite here :
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Print or Cut-and-Paste your Haggite Specimen Label here :

Haggite

V2O2(OH)3
Dana No: 06.04.03.01 Strunz No: 04.HE.25
Locality:

Notes: