This article explores the color characteristics and chromophore ions of blue to yellow beryl using quantitative chemical and spectral analysis. The crystal structure of beryl is unique for having a ...

The present article characterizes the gemological properties of the emeralds from Fazenda Bonfim in detail and introduces chemical data. Information on the geology and mining was gathered by authors ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Iron is one of the most abundant heavy elements in the universe. Its spectral features stand out in many astronomical spectra, especially in those of stars and galaxies. As a dominant emitter in many ...

Kidney stones are excruciatingly miserable, causing intense, unrelenting pain—often described as worse than childbirth. These ...

World Heritage partnerships for conservation. Ensuring that World Heritage sites sustain their outstanding universal value is an increasingly challenging mission in today’s complex world, where sites ...

While there might be a variety of elements or heavy metals present, such as lead, iron, and copper, the primary chemical makeup of cremated remains is calcium phosphate and sodium.

However, the chemical composition alone does not determine or characterize the fertilizing potential of a species. For this purpose, decomposition parameters should be taken into account to enable the ...

Abstract. Objective: To determine the in vitro antibacterial effect of different concentrations of the ethanol extract of Plantago major (plantain) on Porphyromonas gingivalis and Fusobacterium ...

Cuticles are plant structures, composed mostly by lipidic layers, synthesized by nonwoody aerial plant organs and deposited on the surface of outer epidermal cell walls. Although its significance has ...