Chalcopyrite, Sphalerite, Pyrite, Quartz Specimen (7” x 4”) citrine They are hand carved and

They are hand carved and polished into the shape of a unicorn

and arranged in an attractive cluster

the result of volcanic activity that occurred millions of years ago

Siderite specimens are of interest to mineral collectors

Crystal Joys sells the top peridot rings available in different sizes and settings in our ring collection

Chalcopyrite, Sphalerite, Pyrite, Quartz Specimen (7” x 4”) citrine They are hand carved andThis spectacular specimen comes to us from the Madan Ore Field Rhodope Mountains, Smolyan Oblast Bulgaria. This specimen is a rare combination of Chalcopyrite, Sphalerite, Pyrite, Quartz that displays black and white crystal clusters. Chalcopyrite is a copper iron sulfide mineral that crystallizes in the tetragonal system. Chalcopyrite is known to have a brassy to golden yellow color and a hardness of 3. 5 to 4 on the Mohs scale. Chalcopyrite is