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Hanjiangite

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Formula:
Ba2CaV3+Al(H2AlSi3O12)(CO3)2F
Colour:
Yellow-green to dark green
Lustre:
Vitreous
Hardness:
4
Specific Gravity:
3.69
Crystal System:
Monoclinic
Name:
Named after the Han River (in Chinese: Hanjiang), the largest branch of the Yangtze River, China. The Han River flows through the type locality, the Shiti ore district.
This page provides mineralogical data about Hanjiangite.


Hide all sections | Show all sections

Classification of HanjiangiteHide

Approved
Approval Year:
2009

Physical Properties of HanjiangiteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Yellow-green to dark green
Streak:
Greenish white
Hardness:
Hardness:
VHN25=191 - 215 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
on {001}
Fracture:
Splintery
Density:
3.69 g/cm3 (Measured)    3.78 g/cm3 (Calculated)

Optical Data of HanjiangiteHide

Type:
Biaxial (-)
RI values:
nα = 1.615 nβ = 1.655 nγ = 1.700
2V:
Measured: 114° to 115°, Calculated: 88.8°
Max Birefringence:
δ = 0.085
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v, medium
Pleochroism:
Strong
Comments:
Pale yellow-green to deep green.

Chemical Properties of HanjiangiteHide

Formula:
Ba2CaV3+Al(H2AlSi3O12)(CO3)2F
IMA Formula:
Ba2Ca(V3+Al)(AlSi3O10)(OH)2F(CO3)2

Crystallography of HanjiangiteHide

Crystal System:
Monoclinic
Class (H-M):
2 - Sphenoidal
Space Group:
B2
Setting:
C2
Cell Parameters:
a = 5.2050(12) Å, b = 9.033(2) Å, c = 32.077(8) Å
β = 93.49(8)°
Ratio:
a:b:c = 0.576 : 1 : 3.551
Unit Cell V:
1505.4 ų
Z:
4
Morphology:
Thin, euhedral, pseudo-tetragonal, tabular crystals and anhedral grains.
Comment:
1M, 2M and 3T polytypes exist.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
15.866 Å(7)
5.340 Å(91)
4.010 Å(10)
3.209 Å(23)
2.676 Å(100)
2.294 Å(29)
2.008 Å(11)

Type Occurrence of HanjiangiteHide

Synonyms of HanjiangiteHide

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 HanjiangiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Liu, J., Li, G., Mao, Q., Wu, S., Liu, Z., Su, S., Xiong, M. & Yu, X. (2012): Hanjiangite, a new barium-vanadium phyllosilicate carbonate mineral from the Shiti barium deposit in the Dabashan region, China. American Mineralogist, 97, 281-290.

Internet Links for HanjiangiteHide

Localities for HanjiangiteHide

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.
China (TL)
 
  • Shaanxi
    • Ankang
      • Hanbin District
Jiajun Liu, Guowu Li, Qian Mao, Shenghua Wu, Zhenjiang Liu, Shangguo Su, Ming Xiong, and Xiaoyan Yu (2012): Acta Mineralogica Sinica 32(2), 173-182; Liu, J., Li, G., Mao, Q., Wu, S., Liu, Z., Su, S., Xiong, M. & Yu, X. (2012): American Mineralogist, 97, 281-290
 
矿物 and/or 产地  
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