So the old timers mined and removed Cryolite, Zinc and Lead. And so we are back to this old chest nut:
"The current reserve is 2.5 million tons of quartz with potential of 6.2 million tons [my bold]. It is estimated that fines below 20mm will be approx. 15% of processed materials. Material above 96% quartz will be processed and sold."
"Fluorite ore: The rock often contains more than 50% fluorite along with mica, topaz and weberite. While minor minerals found include cryolite, siderite, quartz sulphides (Fe, Pb, Cu), stenonite (Sr2AlCO3F5) and phosphate (CaAl2(F,OH)8), most of this unit remains at the bottom of the existing pit" [my bold].
"Siderite–cryolite–quartz ore: The coarse grained rock consists of siderite, cryolite and quartz with minor mica, topaz, sulphides (Pb, Cu, Zn, Fe and Ag)."
"Quartz: The lower section of the cryolite body consists of almost 90% quartz. It was not mined and probably is today the floor of the pit. Individual hand pieces of quartz assay 99.8% SiO2." [my bold]
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