A feldspar-muscovite-beryl mine in pegmatite, about 25 km W of Broken Hill, named after the three commodities mined, by the late famous lady miner Tess Alfonsi. An almandine deposit occurs in schist nearby, but is not strictly part of the mine. Garnet amphibolite occurs as a country rock.
The pegmatite was known for large yellowish beryl crystals.
Owned by Unimin Co.
NOTE: In the 1990s(?), the mining lease was not renewed due to safety reasons. Since then (beryl-free) pegmatite material from quarries in South Australia is processed here.
Garnet from the Staurolite Ridge quarry is also processed here.
Mineral List
4 entries listed. 4 valid minerals.
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