Zinnwaldite
| Zinnwaldite | ||
|---|---|---|
2V angle 0 - 40° | | |
| References | [2][3][4][5] | |
Zinnwaldite,
polylithionite (KLi2AlSi4O10(F,OH)2) and not considered a valid mineral species.[4]
Name and discovery
It was first described in 1845 in Zinnwald/Cinovec on the German-Czech Republic border.[4]
Occurrence
It occurs in greisens, pegmatite, and quartz veins often associated with tin ore deposits. It is commonly associated with topaz, cassiterite, wolframite, lepidolite, spodumene, beryl, tourmaline, and fluorite.[2]
References
- S2CID 235729616.
- ^ a b Handbook of Mineralogy
- ^ Webmineral data
- ^ a b c Mindat
- .
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