BERZELIANITE - Bukov Mine, Czech Republic | SYSTEMATIC | 43 x 40 x 25 mm
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Eva & David Kalat
Pocernicka 330/92,
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No visist availability nor collecting your orders.All orders are shipped by parcels only !
CZ:Zde neni obchod ani provozovna,jedna se jen o fakturacni adresu.Objednavky pro ceske zakazniky posilame zasadne jen postou,osobni odber neni mozny.Dekujeme za pochopeni.
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Mineral: BERZELIANITE
Locality: Bukov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Dimension (mm): 43 x 40 x 25 mm
Weight (gr): 55 gram
Description / Notes: BERZELIANITE is a Selenide mineral, most often it forms whole aggregates or interspersed grains of silvery white color with a grayish tint. It occurs as greenish aggregates with other selenides in the Bukov Mine locality in Moravia.
- Formula:Cu2-xSe (x ≈ 0.12) Previously given as Cu2Se.
- Colour:Silver-White, shiny lead-grey; easily tarnishes iridescent blue-grey
- Lustre:Metallic
- Hardness:2
- Specific Gravity:6.71
- Crystal System:Isometric
- Member of:Berzelianite-Umangite Group
- Name:Named in 1850 by James Dwight Dana in honor of Jöns Jakob Berzelius, Swedish chemist [August 20, 1779 Linköping, Sweden - August 7, 1848 Stockholm, Sweden]. Berzelius is the father of analytical chemistry, inventor of chemical symbol notation, and discoverer of selenium (Se), cerium (Ce), silicon (Si), thorium (Th), titanium (Ti), and zirconium (Zr), in addition to other elements that he gave to his students to work on.
- Type Locality:Skrikerum Mine, Valdemarsvik, Östergötland County, Sweden
- IMA Status: Valid Species (Pre-IMA) 1850
- 2.Sulfides
- Berzelianite
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