Science

Berthierite is a mineral, a sulfide of iron and antimony with formula FeSb2S4. It is steel grey in color with a metallic luster which can…

Berryite is a mineral with the formula Pb3(Ag, Cu)5Bi7S16. It occurs as gray to blue-gray monoclinic prisms. It is opaque and has a metallic luster.…

Supercapacitor Supercap or Ultracapacitor As the name indicates, the supercapacitor is a specialized form of the capacitor with an exceedingly high level of capacitance. They…

Berlinite (aluminum phosphate, chemical formula AlPO4) is a rare phosphate mineral. It is a rare phosphate mineral first discovered at the Vestana iron mine, Nastum,…

Bergenite is a rare uranyl phosphate of the more specific phosphuranylite group. It was named for the type locality near Bergen at the Streuberg quarry…

Berborite is a beryllium borate mineral with the chemical formula Be2(BO3)(OH, F)·(H2O). It is colorless and leaves a white streak. It is not Radioactive. It…

Trigon” is Greek for the triangle, and “metric” is Greek for measurement. The trigonometric ratios are special measurements of a right triangle (a triangle with…

Beraunite is an iron phosphate mineral. It is scarce, but popular phosphate mineral for collectors. It can have a nice color and luster and its…

Bentorite is a mineral with the chemical formula Ca6(Cr, Al)2(SO4)3(OH)12·26(H2O). It is a rare sulfate with chromium, which most likely is the cause of the…

Benstonite is a mineral with formula Ba6Ca6Mg(CO3)13. Discovered in 1954, the mineral was described in 1961 and named after Orlando J. Benston (1901–1966). It is…

Benitoite is a rare blue barium titanium silicate mineral, found in hydrothermally altered serpentinite. It is a rare gemstone, and for all practical purposes only…

Becquerelite is a uranium mineral with the chemical formula: Ca(UO2)6O4(OH)6·8(H2O). It is a highly radioactive and interesting mineral. It is a secondary mineral which contains…