Sentence examples for black mineral from inspiring English sources

Other minerals include bauxite, columbite (a black mineral of iron, manganese, and niobium), gold, and platinum, largely in the southern plateau region.

In 1787 the Swedish army lieutenant Carl Axel Arrhenius discovered a unique black mineral in a small quarry in Ytterby (a small town near Stockholm).

Engineers will gingerly build a temporary road to get heavy plant to the 150-year-old homes which were built for workers involved in mining jet, the rare black mineral used for fashionable 19th-century jewellery.

Desert varnish, also called Patina, thin, dark red to black mineral coating (generally iron and manganese oxides and silica) deposited on pebbles and rocks on the surface of desert regions.

Standing at the precipice, staring into the thick black mineral vein, I find it difficult to envisage how an enterprise of this magnitude could be stopped, and what could take its place.

The island's economic activities include the mining of jet (a dense, black mineral, a variety of coal) and anthracite, lumbering, and the production of pepper, cocoa, coffee, betel, and coconuts.

Manganese black minerals pyrolusite, manganite and cryptomelane in an archaeological context have been identified by micro-Raman spectroscopy.

Historically, manganese is named for various black minerals (such as pyrolusite) from the same region of Magnesia in Greece which gave names to similar-sounding magnesium, Mg, and magnetite, an ore of the element iron, Fe.

In ancient times, two black minerals from Magnesia in what is now modern Greece, were both called magnes from their place of origin, but were thought to differ in gender.

Color Options: Torch Red, Black, Mineral Gray, Performance White, Screaming Yellow, Satin Silver, Sonic Blue, Red Fire, Legend Lime, Windveil Blue, Tungsten Grey and Vista Blue.

Graphite, also called plumbago or black lead, mineral consisting of carbon.