Plumbogummite

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Plumbogummite
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China

Item-No.: MIN0185
Price: 265.00 EUR 
Plumbogummite
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China

Item-No.: MIN0186
Price: 295.00 EUR 
Plumbogummite
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China

Item-No.: MIN0187
Price: 330.00 EUR 

Synonyms:  Cherokeen, Cherokine, Gum Lead, Hitchcockite, Native Aluminate of Lead, Plumbo-gummite, Plumbo-resinite, Schadeite
Classification:  Phosphates
Chemical formula:

 PbAl3(PO4)(PO3OH)(OH)6

Crystal system:  Trigonal
Density (g/cm3):  4,014 measured, 4,08 calculated
Tenacity:  Brittle
Cleavage:  None observed
Fracture:  Irregular/uneven, sub-conchoidal
Hardness (Mohs):  4 - 5
Colour:  Light blue, gray-white, yellow-gray, yellow, yellow-brown, red-brown, greenish, bluish, dark blue-gray
Lustre:  Resinous, dull
Streak:  Colourless to white
Transparency:  Translucent
Type locality:  Huelgoat (Locmaria-Berrien), Finistère, Brittany, France

 

 


 

 
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