Quartz and Galena Crystal Cluster | 59 grams | Mogila, Madan, Bulgaria Erythrite Malachite is perhaps the one

Malachite is perhaps the one of the most popular minerals for collectors due to its intense green color and sometimes beautiful banded masses

Appraised Value :  $653

motivated outlook

Lepidolite is a lilac-gray or rose-colored member of the mica group of minerals

however tons of them were used during the 80's for lapidary faceting

Quartz and Galena Crystal Cluster | 59 grams | Mogila, Madan, Bulgaria Erythrite Malachite is perhaps the oneThe LeadZinc deposits of Madan Ore Field (Southwest Rhodopy Mountains) were operated by the Turks in the Middle Ages. Greek coins from Tassos island dating from 14th century AD, have been found in the ancient galleries. As well, the name of the Madan field, which in Turkish means Ore, originates from that time. The Madan Ore Field is built up mainly of the highly crystalline rocks of the lower (Ar) and upper (Pt) metamorphic units which form the Madan