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Lumino sells food-grade diatomaceous earth from a freshwater deposit: fossilized diatom shells that are 89–94% silicon dioxide plus 28 trace minerals, in amorphous (non-crystalline) form. Freshwater shells are harder than saltwater ones, and the powder is nearly white and consistent. It suits people who want a food-grade silica powder for their own pantry or household use. Against rivals, the selling points are the freshwater source and the amorphous silica; many competing products are saltwater-derived or do not state the source.
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Lumino Diatomaceous Earth is a food grade, fresh water diatomaceous earth (DE). It is not earth or dirt. It is made of the fossilized remains of microscopic shells left by one-celled aquatic plants called diatoms. The fossilized diatoms kept their tubular shape and holes over the eons.
This DE is almost pure white. It consists of 89-94% silicon dioxide plus 28 trace minerals. Of the 600 deposits in the U.S., only four are considered Food-Grade by the FDA.
The diatoms come from fresh water deposits that began as pure snow. Fresh water diatoms form a harder shell than salt water diatoms. The silica in Lumino DE is amorphous, which is silica in its naturally occurring state. Silica becomes crystalline when exposed to extreme heat, through volcanic activity or commercial manufacturing.
