Obsidian: Rocks we know we knowDec 21, 2017
$5.50 inc GST
Bornite from a copper porphry deposit in Central NSW. Bornite is a copper ore mineral. These specimens have zones of oxidation to both malachite and chysocolla.
This deposit is mined using an underground block caving method. The ore is used to produce a high grade copper concentrate that is approximately 35% copper.
Ask about availability of large shelf specimens for this product.
9 in stock