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When you raise your glass, we raise the standard

Sodium feldspar is a naturally occurring mineral generated as a co-product of our quartz processing in Spruce Pine, NC. Feldspar is the MVP when it comes to lowering vitrifying temperatures as flux in glass and ceramics.

60%

of the Earth’s crust is feldspar

1971

Astronauts discovered feldspar moon rock

100%

of our feldspar is produced in the USA

Mining engineering begins with the excavation of ore, a rugged white rock with subtle earth toned color variations throughout.

Minspar™ product line

TQC offers the Minspar™ product line in sizes ranging from a 30-mesh sand to a 2.5µm powder for use as functional fillers in a wide variety of industrial applications. Low in iron and high in alumina, Minspar™ provides the desired flux for most ceramic tile, sanitary ware and glass manufacturing.

Virtually transparent and chemically inert, the finer Minspar™ grades allow for easy dispersion, low oil absorption and excellent durability as a performance mineral in paints and coatings, adhesives, caulks, elastomers, and sealants.

Vibrant indigo, turquoise, and green paint contrast stark white paint cans.
Natural wooden boat with glossy paint finish.
Street level view of a yellow middle line disappearing down an asphalt road into the distance.