SOLD !
The RUBIN from this locality in Tanzania are grown in a green ZOISITE - AMPHIBOLITE (ANYOLITH). The name RUBIN/ZOISIT has become established on the market. The mineral mixture consists of varying proportions of ZOISIT (the TYPLOCALITY for ZOISIT is on the Saualpe in Carinthia) ALUMINIUM SCHERMAKIT , FELDSPAT , black AMPHIBOL and coarse RUBIN. The different hardnesses of the individual mineral components make polishing the material very difficult.
The raw material is found at the Longindo Mine in Tanzania.
Weight of this heart is 132 g Dimensions: 6 x 5.5 x 3 cm
