Check the listing for details. Ferruginous Quartz Crystal Specimen 3.42"/118 Grams. Condition: New. Listed at 8.00 USD. The iron can be introduced into the quartz during crystallization or through later processes such as weathering. It often exhibits hues ranging from reddish-brown to yellow or orange due to the presence of iron oxides, particularly hematite and goethite.

$6.40
$8.00