Science

Baumhauerite (Pb3As4S9) is a rare lead sulfosalt mineral. It crystallizes in the triclinic system, is gray-black to blue-gray and its luster is metallic to dull.…

Bastnasite, which is sometimes spelled as bastnaesite, is one of a few rare earth carbonate minerals. Bastnäsite was first described by the Swedish chemist Wilhelm…

Bassanite is a calcium sulfate mineral with formula CaSO4·0.5(H2O) or 2CaSO4·H2O. In other words, it has half a water per CaSO4 unit hence its synonym…

Barytocalcite is an anhydrous barium calcium carbonate mineral with the chemical formula BaCa(CO3)2. It is rare to an uncommon mineral that can be found in…

Baryte or barite (BaSO4) is a mineral consisting of barium sulfate. It is well-known for its great range of colors and varied crystal habits. It…

Barstowite, formula Pb4[Cl6|CO3]•H2O, is transparent to the white mineral in the monoclinic system. It has a Mohs hardness of 3, a white streak and an…

Barrerite is a tectosilicate mineral and a member of the zeolite family. It is one of the rarer zeolites. It was named for Richard Barrer,…

Polystyrene capacitors are used within a limited number of applications. Polystyrene capacitor construction does not lend itself to surface mount technology and accordingly polystyrene capacitors…

Bararite is a natural form of ammonium fluorosilicate (also known as hexafluorosilicate or fluosilicate). It is a trigonal-hexagonal scalenohedral white mineral containing fluorine, hydrogen, nitrogen,…

Baotite, formula- [Ba4Ti4(Ti, Nb, Fe)4(Si4O12)O16Cl] is a rare mineral recognized as having a unique four-fold silicate ring. Crystals are tetragonal, though commonly deformed to the…

Polypropylene capacitors form one of the many varieties of film capacitor that can be obtained. Available chiefly as leaded components, their use is not as…

Banalsite is a rare barium, sodium aluminum silicate mineral with formula: BaNa2Al4Si4O16. Banalsite is a tectosilicate of the feldspar group. It is not radioactive. It…