FLUORITE, BARYTE, GALENA and SPHALERITE, VALENTINITE (?) Belorechensk ULTRA RARE (small cabinet)

COLORLESS FLUORITE from BELOIESCENSK (Belorechensk) deposit (Belaya Rechka) Maykopsky District Adygea RUSSIA which is one of the rarest fluorites and hardly to get. Only a few collectors will have this fluorite in their collection. 

Valentinite is a mineral composed of antimony oxide, represented by the formula Sb2O3. It crystallizes in the orthorhombic system, often appearing as radiating clusters of well-formed crystals or fibrous aggregates. The mineral is generally colorless to white, with possible hints of yellow and red. Its hardness ranges from 2.5 to 3 on the Mohs scale, and it has a specific gravity of 5.76. Valentinite typically forms as a result of the weathering of stibnite and other antimony-containing minerals.

Sphalerite, a sulfide mineral represented by the formula (Zn, Fe)S, serves as the primary source of zinc. This mineral occurs in various types of deposits, predominantly in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide formations. It is commonly found alongside other minerals such as galena, chalcopyrite, pyrite, and various carbonates and silicates, including calcite, dolomite, quartz, rhodochrosite, and fluorite.

Galena, known as lead glance, is the natural mineral variant of lead(II) sulfide (PbS) and serves as the primary ore for lead, as well as a significant source of silver.  This mineral is among the most prevalent and widely found sulfide minerals, crystallizing in the cubic system and frequently exhibiting octahedral shapes. Galena is commonly found in association with other minerals such as sphalerite, calcite, and fluorite.