Green blende (cleophane) and galena - Madan, Bulgaria | Ref. 302

Homogenous set of cleophane green blende and galena extracted from the Madan mine in Bulgaria (year 90).

Stone dimensions: L: 63mm x W: 29mm x H: 74mm x weight with base: 188g.

The stone is presented on the bevelled acrylic base.

Specific details of these minerals:

• Galena: This is the main ore of lead (PbS). Galena is a lead sulphide and is often associated with silver ores.
• Green blende (or sphalerite) : Green blende, better known as sphalerite, is the main zinc ore (ZnS). It also contains iron.
• Cleophane: This is a transparent variety of sphalerite, also used for zinc extraction. The term cleophane refers to the purity and clarity of this variety of sphalerite.