Description: SKU/Catalog number:a7945 Description and details: Mineral: BERZELIANITE Locality: Bukov Mine, Rožná deposit, Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic Dimension (mm): 48 x 34 x 31 mm Weight (gr): 59 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 Further information in mineralogy databases: * Berzelianite: Mineral information, data and localities. (mindat.org) (https://www.mindat.org/min-645.html) * Berzelianite Mineral Data (webmineral.com) (http://webmineral.com/data/Berzelianite.shtml) Our terms & conditions: Payment terms: We prefer Paypal/Ebay payments.Payments must be received latest 7 days after auction close.We offer to combine more items/auctions for period of 7 days.Once you are done with bidding/purchase,please let us know and we send you final invoice for all items including combined postage. Please do not pay combined purchase separately,please ask us for final invoice including combined shipping fees. Shipping & handling: Primary we use registered priority airmail and ship parcels usually within 3 days after payment is received We combine shipping: We use flat fee calculation for multiple item orders (pay highest shipping fee of first item and than deduct % from other items).In most situations it should work well,for jewelry items,regular not too heavy specimens,etc.In some cases,when order contains some heavier items,we may need to modify shipping fee (add or substract some fee).Some specimens need more packing material and it may increase final package weight.We will inform,if calculated shipping costs need to be changed. Optional express shipping: Expedited shipping is available only upon prior agreement/request before payment is done.For some destinations we have expedited shipping price as optional choise.If this is not available for your destination,please ask and provide your shipping address. Customs fees and charges: We are not responsible for import fees,duties and taxes,buyer is responsible to pay and handle importing process.We have to declare true value of parcel.Please calculate with available additional charges and decide before you bid or place order. Enjoy shopping !
Price: 42 USD
Location: Praha 10-Malešice
End Time: 2024-12-15T18:02:13.000Z
Shipping Cost: 7.95 USD
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Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money back or replacement (buyer's choice)
