Please explain a Gemini

shakergt · Nov 28, 2018

I was just reading the latest Australian Gold Gem and Treasure magazine and came across an article on a Gemini. It looks like some sort of gold separating machine and that is what I can gather from the article. Can someone please explain these devices in more detail to me and how they work? Are they gravity fed and what is the principle behind them?

Simmo · Nov 28, 2018

Isn't is just a wifely table?

mbasko · Nov 28, 2018

Yep pretty much a Gold shaking table variation. Works on gravity separation.
Feed material in with water, table shakes, heavies drop/separate out into table grooves, waste washes away.
Called either gemini table or gemeni table - vids of them working on YouTube.
Small 25kg/hr one = $17k

Not really something for the hobbyist - more small scale mine with good amounts of fine gold.

shakergt · Nov 28, 2018

Similar to blow dryer with water then ?

mbasko · Nov 28, 2018

Not really - both use gravity.
I'd say a highbanker would be more similar to blow dryer with water in regards to end product I.e. cons that still need further cleaning.
These shaker tables are more like a final clean for fine gold cons.

HectorBlows · Aug 11, 2019

Gemeni are heaps better than Wifley

Fosterville had one last time i was there , they rock

only thing to understand is they are for fine gold under 1.5 - 2.0 mm so you have to class and split off the bigger stuff.

HectorBlows · Aug 11, 2019

if you want a cheaper method just go to a gold wheel / spiral wheel

they work perfectly well even up to 3 - 4 mm pickers

Please explain a Gemini

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