Tumbled Indigo Gabbro / 1-2" AVG - 1 LB. LOT Menu Gemstone Chip Trees making them ideal for all

making them ideal for all projects or designs

The oldest deposits have been dated to approximately 2 billion years ago

and takes on a variety of colors depending on the other minerals and trace elements that are included as it forms and grows

resulting in its rich brown to reddish-brown coloration and showcasing the geological processes of rapid cooling and mineral inclusion in igneous rocks

Smoky quartz gets its color when aluminum impurities in rock crystal quartz are activated by natural geological radiation over long periods of time

Tumbled Indigo Gabbro / 1-2" AVG - 1 LB. LOT Menu Gemstone Chip Trees making them ideal for allQuantity: 1 pound Average size range: 1 to 2 inches Gabbro is a coarse igneous rock that cooled over long periods of time, as opposed to the related but much faster cooled basalt. Indigo gabbro is a special kind of gabbro that also contains a wide variety of other minerals like quartz and feldspar as inclusions, giving it a more distinctive mottled appearance.