Lewy body dementia occurs when Lewy bodies accumulate and affect chemicals in the brain that lead to problems with thinking, movement, behavior and mood. Dementia is a severe loss of these abilities, especially thinking, and is one of the most common causes of dementia after Alzheimer's disease and vascular disease.
Definition of lazurite in the English dictionary The definition of lazurite in the dictionary is a rare blue mineral consisting of a sodiumâcalciumâaluminium silicate and sulphide: used as the gemstone lapis lazuli. Formula: 862.
In addition to lazurite, specimens of lapis lazuli usually contain calcite and pyrite. Sodalite, hauyne, wollastonite, afghanite, mica, dolomite, diopside, and a diversity of other minerals might also be present. To be called lapis lazuli, a rock must have a distinctly blue color and contain at least 25% lazurite.nstead, it is a rock composed of multiple minerals. The blue color of lapis lazuli is mainly derived from the presence of lazurite, a blue silicate mineral of the sodalite group with a chemical composition of (Na,Ca) 8 (AlSiO 4) 6 (S,Cl,SO 4 ,OH) 2.