sulphuret การใช้

• The mines operated successfully and in late March 1881 water was found in the Sulphuret shaft at 520 ft below the surface.
• Also in 1879 the town was known to be rich in minerals such as carbonate of lime, chromate of iron, steatite, crystallized actonite, mamillary chalcedony, kyanite, rose quartz, mica, sulphuret of iron and others.
• Rev . Mr . Loring writes, that among its minerals are'sulphuret of iron, crystals of quartz, slate and granite .'The high ledge we supposed to be porphyry, containing crystals of iron pyrites and compact feldspar ..
• :{ { cquote | I picked up one or two pieces and examined them attentively; and having some general knowledge of minerals, I could not call to mind more than two which in any way resembled this, sulphuret of iron, very bright and brittle; and gold, bright, yet malleable.
• Guided by an explorer named Benjamin Herndon, Owen examined the area and found that it contained " some accidental minerals sparingly disseminated, such as sulphuret of Zinc and lead & ndash; which proved on examination to be hydrated silicate of alumina . " Owen's survey did not find any significant deposits of silver ore in the area.