cassiterite वाक्य - cassiterite अंग्रेजी में वाक्य (21-30)

	21.	Cassiterite production peaked at 1, 000 tonnes in 1990, but was under 700 tonnes in 2000.
	22.	Distinctive accessory minerals include : fluorite, topaz, apatite, spinel, allanite, sphene and cassiterite.
	23.	Associated minerals include cassiterite, scheelite, bismuth, quartz, pyrite, galena, sphalerite, and arsenopyrite.
	24.	The method by which tin is produced is to head the tin mineral cassiterite ( SnO 2 ) with coke.
	25.	Associated minerals include quartz, feldspar, spodumene, amblygonite, tourmaline, columbite, cassiterite, topaz and beryl.
	26.	Cassiterite, coltan, and gold are being extracted from these mines and brought illegally to Goma through Masisi territory.
	27.	Cassiterite ( SnO 2 ), oxidized tin, most likely was the original source of tin in ancient times.
	28.	There is mining of copper, iron, manganese, gold, cassiterite ( tin ore ), and phosphates.
	29.	Valuable mineral components often occurring with black sands are monazite, rutile, zircon, chromite, wolframite, and cassiterite.
	30.	It was probably gathered in streams in Cornwall and Devon as cassiterite pebbles and traded in this raw, unrefined state.

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cassiterite उदाहरण वाक्य