Plumbogummite
Plumbogummite
Item-No.: MIN0185 Price: 265.00 EUR
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
Plumbogummite
Item-No.: MIN0186 Price: 295.00 EUR
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
Plumbogummite
Item-No.: MINS6430 Price: 77.00 EUR
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
Plumbogummite
Item-No.: MINS6415 Price: 136.00 EUR
Yangshuo Mine, Yangshuo Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China
| 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 |