witherite sentence in Hindi
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- Witherite forms in low-temperature hydrothermal environments.
- Up to this time witherite was considered worthless and used as rat poison by locals.
- There are also deposits of Fluorite, Barite, Witherite, Calcite, Dolomite and Barytocalcite.
- The mineral witherite ( barium carbonate ) was discovered in spoil from the mines in the 18th century.
- The area has previously been mined and quarried for minerals such as barytes, coal fluorspar, iron, lead, witherite and zinc.
- Witherite was named after William Withering ( 1741 1799 ) an English physician and naturalist who in 1784 published his research on the new mineral.
- Also in the 18th century, English mineralogist William Withering noted a heavy mineral in the lead mines of Cumberland, now known to be witherite.
- It is commonly occurs in rocks that contain calcite, quartz, tremolite, witherite, phlogopite, diopside, minor amounts of forsterite and taramellite.
- At the type locality at Brownley Hill, alstonite occurs in low-temperature lead-zinc hydrothermal deposits associated with witherite, calcite, and baryte.
- At Foster's Hush, workings of a mineral-rich vein in the Great Limestone and Tuft Sandstone have exposed mineralisation of a rare mineral, witherite.
- He named the mineral strontianite ( strontium carbonate ) and made clear that it was distinct from the witherite ( barium carbonate ) and stated that it contained a new element.
- Furthermore, the reserves of mercury and slate tile tops China, and the reserves of antimony, alluvial gold, barite, witherite, slate tile are on the top of Shaanxi.
- The reserves of mercury, antimony, lead, zinc, gold, barite, witherite, slate tile, cement, limestone, turquoise are on the first rank of China or Shaanxi Province.
- Initially worked for lead ore ( galena ) in the nineteenth century by the London Lead Company, it was later worked under different owners for barium minerals, barytes and witherite in the early twentieth century.
- The site has been listed by the Geological Conservation Review, both for the excellent mineral specimens it has provided and because it is the only locality in the North Pennines ore-field where witherite mineralisation can be observed in situ at the surface.
- The Chinese lead-barium glasses typically present 5 to 15 % BaO . The source of barium in the glass in not clear; however it is possible that ancient Chinese glassmakers used witherite ( a mineral form of barium carbonate ) as an ingredient.
- Many carbonates occur there, including ankerite Ca ( Fe, Mg ) ( CO 3 ) 2, barytocalcite BaCa ( CO 3 ) 2, calcite CaCO 3, siderite FeCO 3, smithsonite ZnCO 3 and witherite BaCO 3, as well as the non-carbonate minerals fluorite CaF 2 and baryte BaSO 4.
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