Chemical formula
|
(Cu,Al) 4 H 4 (OH) 8 Si 4 O 10 nH 2 O |
Crystalline system
|
orthorhombic |
Class
|
silicates |
Origin | Shaba, DR Congo |
Size | 2.0-3.0cm |
Massive Chrysocolla of high quality with a light blue color.
Chrysocolla is a mineral that forms in the upper part of copper deposits, the so-called oxidation zone, so it is easy to find chrysocolla associated with other copper minerals such as cuprite, azurite, malachite and many other minerals. copper secondaries. This characteristic made it used by ancient miners as an indicator on the surface of copper deposits.
The mineral includes a label with the name and origin and is attached to a 4 cm square cardboard box.
*The price is per unit (a single cardboard box of the four shown in the photo)
Since the minerals are natural, you will receive a piece similar to the one in the photograph. The minerals come in cardboard boxes and are glued to a porex base with hot silicone; these can be removed using ethyl alcohol without damaging the mineral. The size is approximate.