This rare color variety of the mineral mined in Vietnam, but it is extremely rare specimens over 1 carat. The cost of cobalt blue spinel starts from $2000-3000 and can exceed $10,000 per carat. Is cobalt blue spinel rare? If your spinel has a rich saturated blue color, it is Read more…
Lapis lazuli is often mimicked by a dyed jasper, but it does not show the white and golden patches. Gemological Information for Lapis Lazuli. Color: Cobalt Blue with White or Golden Patches (Calcite and Pyrite) Crystal Structure: Rock Refractive Index: ~1.50 What Kind of blue is lapis lazuli? Variously described Read more…
Cobalt shows slightly different absorption features on a spectrometer graph than does iron. High cobalt content also causes Spinel to appear bright pink under a Chelsea filter, or even bright red when the concentration of cobalt is high enough. Cobalt Spinels also fluoresce pink or red under long wave UV Read more…
Cobalt (Co) is a bluish-gray, shiny, brittle metallic element. It has magnetic properties similar to iron. How do you get cobalt out of the ground? The most common processes used in biomining are agitated leaching, dump leaching, and heap leaching. How do you identify cobalt glass? Cobalt blue glass is Read more…
Cobalt is a shiny, gray, brittle metal that is best known for creating an intense blue color in glass and paints. It is frequently used in the manufacture of rechargeable batteries and to create alloys that maintain their strength at high temperatures. What are 3 things cobalt is used for? Read more…
Cobalt Geology Cobalt is common in the Earth’s crust, bound with other elements to form a variety of minerals. This element is found in highest concentrations when incorporated into minerals (pentlandite and linnaeite) as magma or lava cools to form igneous rocks such as dunite, serpentinite, and basalt. What is Read more…
Cobalt is mined across the world and the vast majority is produced as a by-product from large scale copper and nickel mines. Cobalt is only extracted alone in Morocco and some Canadian arsenide ores. What is the main source of cobalt? CongoWith the exception of production in Morocco and artisanally Read more…
Cyanocobalamin is a manufactured version of vitamin B12. It’s used to treat and prevent vitamin B12 deficiency anaemia (when you have low levels of this vitamin in your body). Your body requires vitamin B12 to make red blood cells. What is the difference between cyanocobalamin and vitamin B12? Cyanocobalamin is Read more…
Further heating to 130 °C produces the anhydrous form: CoBr2·2H2O → CoBr2 + 2 H2O. The anhydrous form melts at 678 °C. At higher temperatures, cobalt(II) bromide reacts with oxygen, forming cobalt(II,III) oxide and bromine vapor. What is cobalt bromide used for? Cobaltous Bromide is a green crystalline or reddish-violet Read more…
PV 14 – Cobalt Violet. What color is cobalt violet? Cobalt Violet – Cobalt Violet is a deep violet that is cool in its masstone and less red than Manganese Violet. Although muted and greyed down in its tint, it is a beautiful topcoat color. What is a pigment code? Read more…