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Debaoite

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Formula:
Cu
 
9
(AsO
 
4
)
 
2
(SO
 
4
)(OH,CO
 
3
)
 
10
 · 6H
 
2
O
Colour:Jade green to greyish ...Hardness:2
Name:For the discovery locality, the Debao ore district of Guangxi, China.
A variety of Parnauite

Debaoite was described in 1990 without IMA approval as a new mineral, whose status remained uncertain. It was later recognized as a carbonate-bearing variety of Parnauite (the latter may however contain carbonate anyway, see there).

Originally reported from Debao (Qinjia) Cu-Sn deposit, Debao Co., Baise Prefecture, Guangxi Zhuang Autonomous Region, China.

Classification of Debaoite

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Physical Properties of Debaoite

Lustre:Vitreous, Pearly
Diaphaneity (Transparency):Transparent
Colour:Jade green to greyish green
Hardness (Mohs):2
Density (measured):3.33 g/cm3
Density (calculated):3.35 g/cm3

Chemical Properties of Debaoite

Formula:
Cu
 
9
(AsO
 
4
)
 
2
(SO
 
4
)(OH,CO
 
3
)
 
10
 · 6H
 
2
O
Essential elements:As, Cu, H, O, S
All elements listed in formula:As, C, Cu, H, O, S
Analytical Data:
CuO   (56.09)
As2O5 (18.39)
A12O3  (0.21)
FeO    (0.40)
SiO    (0.56)
SO3    (5.20)
CO2    (3.83)
H2O   (14.40)

sum    99.08 wt.-%

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Debaoite

Reference List:

- +
Yi Li and Lairen Lai (1990): Preliminary study of the characteristics and the genesis of arsenate minerals in the oxidized zone of the Debao skarn-type Cu-Sn ore deposit in Guangxi. Acta Geologica Sinica 64, 337-343 (in Chinese with English abstract).

Lairen Lai, Yi Li, and Nicheng Shi (1997): Discovery and Study of Parnauite. Acta Petrologica et Mineralogica 16(1), 50-55 (in Chinese with English abstract).

Internet Links for Debaoite

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    • Localities for Debaoite

    The 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.
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    China
     
    • Guangxi Zhuang Autonomous Region
      • Baise Prefecture
        • Debao Co.
    		Yi Li and Lairen Lai (1990): Acta Geologica Sinica 64, 337; Lairen Lai, Yi Li, and Nicheng Shi (1997): Acta Petrologica et Mineralogica 16(1), 50-55.
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