Flint rock

Chert is a fine-grained sedimentary rock composed of quartz(SiO2) that is microcrystalline or cryptocrystalline quartz.It is usually organic rock

Learning how to find flint and other natural hard minerals can help you start a fire with nothing but a carbon steel knife, tinder, and a little patience.

Hundreds of crystals, stones and minerals. Meanings, properties & how to use in crystal healing!

Flint, chert, and jasper are a few of the many names used for microcrystalline quartz. These names are not systematically used. Instead, their use is often based upon the background of the person speaking, the geologic occurrence of the material, the properties of the material, and any historic use of the material.

Our earth is comprised of a variety of different rocks and minerals; gathering and appreciating them is a wonderful hobby. Chert is a very useful stone that is great to collect...here is why.

Flint is a rock that has been used to make stone tools and weapons for over 2 million years. It is also used to create sparks and as a gemstone.

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Flint, also known as chert, is a type of sedimentary rock that has many uses. It was once commonly used to form rudimentary tools like knives and spear tips. Flint is often used by outdoorsmen to create sparks for a fire when it is struck...

Chert is a distinct rock type that comes in many different variations and shades of colors, including some familiar gemstones.