CHALCOPHYLLITE (Cu18Al2(AsO4)3(SO4)3(OH)27.3(H2O))
Class: phosphate
Rarity: Rare Crystal:  crystal with a massive foliated habit 
Colour: green;   Streak: green;   Lustre: pearly vitreous adamantine;   Transparency: transparent translucent; Cleavage: perfect in traces;   Fracture: unknown;  
Hardness - between 2 and: 2;   Density - between 2.4 and: 2.66
Dana number: 728

FAQs | About Us | Contact

Please note that should you make a purchase from eBay or Amazon as a result of clicking on a link in this web site, or if you click on a Google ad, a very small commission may be paid to the web site to assist with the cost of its maintenance.

Copyright © Peter Thorogood

Web design by Peter Thorogood