GossipSloth

6 Facts About Flint

source
1

Flint is a hard, sedimentary cryptocrystalline form of the mineral quartz, categorized as a variety of chert.

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

Cryptocrystalline is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically in thin section by transmitted polarized light.

A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.

Shadows Of The Middle Class: Flint, Michigan by TYT Politics

source
2

It occurs chiefly as nodules and masses in sedimentary rocks, such as chalks and limestones.

Sedimentary rocks are types of rock that are formed by the deposition and subsequent cementation of that material at the Earth's surface and within bodies of water.

Limestone is a sedimentary rock, composed mainly of skeletal fragments of marine organisms such as coral, forams and molluscs.

Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite.

TheRealStreetz of Flint, MI by TheRealStreetz.com

source
3

Inside the nodule, flint is usually dark grey, black, green, white or brown in colour, and often has a glassy or waxy appearance.

source
4

A thin layer on the outside of the nodules is usually different in colour, typically white and rough in texture.

source
5

From a petrological point of view, "flint" refers specifically to the form of chert which occurs in chalk or marly limestone.

source
6

Similarly, "common chert" occurs in limestone.

18 Facts About Argentina
16 Facts About Hurricane Irma
6 Facts About the Nile Delta
7 Facts About Read-Only Memory
7 Facts About Rod Smart
4 Facts About the Flag of the United Arab Emirates
20 Facts About Pianos
8 Facts About Bring It On
9 Facts About Lamar Alexander
4 Facts About College Park, Maryland
18 Facts About the National Football League Draft
7 Facts About Alpha-Gal Allergies