Minerals identify

Know how to recognize them

Kostovite

Telluride mineral

Kostovite is a rare orthorhombic -pyramidal gray white telluride mineral and gold

It was discovered by Bulgarian mineralogist Georgi Terziev (Георги Терзиев) (1935–1972), who named it in honor of his professor Ivan Kostov In 1965 kostovite was approved as a new species by the International Mineralogical Association The type locality copper ore deposit, Bulgaria Small deposits have also been found in Kochbulak (Eastern Uzbekistan), Commoner mine (Zimbabwe (Russian Far East), Ashanti (Ghana), Buckeye Gulch (Leadville , Colorado, US), Bisbee Kutemajärvi (Finland), Coranda-Hondol (Romania), Glava (Sweden), Bereznjakovskoje (Southern Urals, Russia), Moctezuma (Sonora, Mexico), Panormos Bay (Tinos Island, Greece), Guilaizhuang Mine, Tongshi complex (Linyi Prefecture, Shandong Province, China), Kalgoorlie-Boulder City, (Goldfields-Esperance region, Western Australia, Australia).

Identification

Color of mineral

Grey
White

Mohs scale ( mineral hardness )

2

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Orthorhombic