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Building rock tumblers is a project that can help children understand the geological process of the tumbling and smoothing of rocks in water bodies. A homemade rock tumbler is also a creative way of making polished rocks and stones for adornments. Read on to know how to build one at home.

Extremely Easy Instructions on How to Make a Rock Tumbler at Home

Building rock tumblers is a project that can help children understand the geological process of the tumbling and smoothing of rocks in water bodies. A homemade rock tumbler is also a creative way of making polished rocks and stones for adornments. Read on

Cyanotrichite, a hydrous copper aluminum sulphate mineral. (Qinglong Mine, China)

Cyanotrichite, a hydrous copper aluminum sulphate mineral (Qinglong Mine, China)

purple and blue boulder opal and opalized wood...cut by Bill Kasso

themagicfarawayttree: “Beautiful purple and blue boulder opal and opalized wood…cut by Bill Kasso”♫♫♥♫♥♥♫♥JML

A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized coral. Found only in Michigan

A Petoskey stone .is a rock and a fossil, often pebble-shaped, that is composed of a fossilized coral that lived 350 million years ago. The rocks rounded in the surf along the shores of Lake Michigan near Petoskey, Michigan.

Fossilized coral known as a Petoskey Stone from Lake Michigan

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I would love to eventually fill up a type case such as this with specimens of a lot of pretty mineral and gemstone specimens.  (If anyone knows of good places to obtain either of these, please let me know!)     :)

I would love to eventually fill up a printer's type case such as this with specimens of a lot of pretty mineral and gemstone specimens.

chunk of raw Garnet As a root chakra stone, garnet said to be excellent for manifestation. It is used to ground one's dreams in reality, bringing abundance, prosperity, and realization of those dream

Garnet is your Birthstone. (chunk of raw Garnet As a root chakra stone, garnet said to be excellent for manifestation. It is used to ground one's dreams in reality, bringing abundance, prosperity, and realization of those dream).