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Graphite

ES1110
A large piece of pure carbon from Mexico. One of nature’s softest minerals. ...
$9.95

Hardness/Streak Test Kit

ES1131
Contains minerals 1 through 9, as designated in the traditional Moh's Scale, plus ...
$9.95

Loadstone

ES1111
(Magnetite). Nature's natural magnet.Will attract metal objects, such as staples and iron filings. ...
$5.95

Long Wave Fluorescent Minerals

ES1136
A set of minerals that emit light as they are exposed to a ...
$9.95

Natural Crystal Collection

ES1135
Under the proper conditions, pure minerals will develop into crystal forms characteristic of ...
$39.50

Scale Of Hardness Collection

ES1130
$16.50