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Boundary: Bleed area may not be visible.
by Joel E. Arem
$17.00
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Product Details
The Center for Disease Control has recommended the use of cloth face masks to help fight the spread of COVID-19.
This face mask is made from 100% polyester and includes two ear loops with adjustable grommets for a comfortable fit.
The printed area of the mask is approximately 7" wide by 5" tall. This mask fits well on adult mens' faces without the grommets but, due to the adjustable grommets, can be worn snuggly by adult women, as well.
Please note - this is NOT a surgical grade mask. It is not intended for any medical or commercial uses, whatsoever. It is a simple, cloth mask designed for everyday use to cover your mouth when out in public. The mask should not be used in any medical or surgical setting.
We make no warranties that the mask prevents infections or the transmission of viruses or diseases.
Design Details
Calcite, calcium carbonate, is one of the most ubiquitous minerals on the earth's surface. It is the constituent of seashells and tiny marine... more
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Calcite, calcium carbonate, is one of the most ubiquitous minerals on the earth's surface. It is the constituent of seashells and tiny marine organisms. When these animals die their shells fall to the seabed and eventually are compressed and transformed into the rock known as limestone. Calcite readily dissolves in surface waters and is redeposited as cave formations. Calcite is dimorphous (same chemistry, different crystal structure) with aragonite, the constituent of pearls. Both minerals easily form crystals and present a dazzling array of crystal forms (shapes), from microscopic to enormous size. Calcite crystals are common and abundant in many types of mines where minerals have deposited from hot solutions. Good examples are found in the so-called tri-state lead-zinc mining district of Missouri, occurring mainly with the sulfides galena and sphalerite. The St. Joe Lead District is one part of this vast zone of mineralization.
$17.00
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