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Barytes - LoveToKnow 1911 (595 words) |
 | Barytes is of common occurrence in metalliferous veins, especially those which yield ores of lead and silver; some of the largest and most perfect crystals of colourless barytes were obtained from the lead mines near Dufton in Westmorland. |
 | In the neighbourhood of Nottingham, and other places in the Midlands, barytes forms a cementing material in the Triassic sandstones; amber-coloured crystals of the same mineral are found in the fuller's earth at Nutfield in Surrey; and the septarian nodules in London Clay contain crystals of barytes as well as of calcite. |
 | Commercially, barytes is used in the preparation of barium compounds, as a body for certain kinds of paper and cloth, and as a white pigment ("permanent white"). |
| BARYTES - Online Information article about BARYTES (864 words) |
 | Twinning is represented only by twin-lamellae, which are parallel to the planes m and f and are of secondary origin, having been produced by pressure. |
 | comb " barytes occurs as rounded aggregations of thin lamellar crystals. |
 | Crystals are found as a rarity in the amygdaloidal cavities of igneous rocks. |