Novaculite, also called Arkansas Stone, is a microcrystalline to cryptocrystalline rock type that consists of silica in the form of chert or flint. It...

The Caballos Novaculite is a geologic formation in Texas. It preserves fossils dating back to the Devonian period. Earth sciences portal Texas portal Paleontology...

essentially a hypersthene-bearing monzonite Minette – A variety of lamprophyre Novaculite – Type of rock – A type of chert found in Oklahoma, Arkansas, and Texas...

typically formed of quartz, such as novaculite. The Ouachita Mountains in Arkansas are noted as a source for these. Novaculite and other stone formations are...

bottom. The Arkansas Novaculite consists of lower, middle, and upper members. The lower member is a massive fractured novaculite, and is the dominant...

compact group of mountains composed of the weather-resistant Arkansas Novaculite. They are located primarily in Montgomery and Polk counties, Arkansas...

content of opal-CT, recrystallizes at very shallow depths. The Caballos Novaculite of Texas also shows signs of very shallow water deposition, including...

Novaculite flatirons on the flank of East Bourland Mountain in the Marathon Uplift of West Texas...

including copper bracelets, beads, and gorgets, art objects made from mica, novaculite, hematite, banded slate, and other kinds of stone, shell beads and cups...

(impure corundum) Diamond dust (synthetic diamonds are used extensively) Novaculite Pumice Iron(III) oxide Sand Corundum Garnet Sandstone Rotten stone (Tripoli)...