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Spodumene Concentrate

Alternate Names: Tanco Spodumene Ore 200 mesh, Tanko Spod

Oxide Analysis Formula
Li2O 7.10% 0.94
K2O 0.60% 0.03
Na2O 0.30% 0.02
P2O5 0.40% 0.01
Al2O3 25.00% 0.97
Fe2O3 0.15% 0.00
MnO2 0.06% 0.00
SiO2 66.20% 4.37
SO40.20%
Oxide Weight 395.63
Formula Weight 396.42

Notes

This material was produced in the Cabot corporation tantalum mine Manitoba for many years, but as of 2012 it is no longer available. One material being sold as a substitute is SC7.0 Spodumene from Talison Lithium in Australia (on paper its chemistry is almost identical to this material).

This is classified as minus 200 mesh concentrate. Although 10% is plus 200 mesh, all of this is minus 180 mesh. It was promoted by the company as single source of both alumina and silica and the analysis they provided only added up to 33 (the rest was assumed to be SiO2).
The company marketed the material to the steel industry as a casting powder and to the pyroceramics, glass, porcelain enamel, frit, glaze, abrasives, and waste vitrification industries.

They also had a standard 7.25% Li2O grade (1% on 48), a 6.8% Li2O grade (23% Al2O3, 55% passing 200 mesh) and a Spodulite grade (5% Li2O, 20% Al2O3).

The company also made a low-foam version that created fewer bubbles in ceramic slurries (a foaming process involving soap is used in the manufacture).

Related Information

Links

URLs http://www.amalgamet.com/Products/minerals.htm
Description of material
Typecodes Feldspar
The most common source of fluxes for high and medium temperature glazes and bodies.
Materials Australian Spodumene
Materials Spodumene
Materials Foote Spodumene
Materials FSC 2.1 Spodumene
Materials UGS Spodumene
Materials SC 1.2 Spodumene
Materials CGS 3.1 Spodumene
Materials SC 1.1 Spodumene
Materials Montebrasite Concentrate
Materials SC7.0 Spodumene

Data

Bulk Density lbs/cu. ft. (Packed)84-120
Hardness (Moh)6.5-7.0
Density (Specific Gravity)2.8-2.9

By Tony Hansen


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