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Soda–lime glass, also called soda–lime–silica glass, is the most prevalent type of glass, used for windowpanes and glass containers (bottles and jars)...11 KB (922 words) - 10:42, 8 September 2024- feldspar. Phosphoric acid with lime (calcium carbonate) forms apatite. Titanium dioxide with ferrous oxide gives rise to ilmenite. Part of the lime forms...57 KB (7,059 words) - 22:35, 1 September 2024
Oligoclase (redirect from Lime-soda feldspar)Oligoclase is a rock-forming mineral belonging to the plagioclase feldspars. In chemical composition and in its crystallographic and physical characters...5 KB (496 words) - 13:17, 11 May 2024
of the stone is governed mainly by its feldspars, pink from the potash and green from the soda lime feldspar. Massachusetts Bancroft Memorial Library...7 KB (577 words) - 16:31, 10 November 2023
operation of solutions or vapours containing chlorides. The basic soda-lime feldspars (labradorite to anorthite) are those that undergo this type of alteration...13 KB (1,535 words) - 19:20, 18 January 2024- type Andesite – Type of volcanic rock Alkali feldspar granite – Type of igneous rock rich in alkali feldspar Anorthosite – Mafic intrusive igneous rock...14 KB (2,184 words) - 23:33, 16 April 2024
plagioclase feldspar solid solution series. In pyroclastic rocks in which alkalis predominate over Ca, K-feldspar such as sanidine or albite Na-feldspar are found...9 KB (1,103 words) - 16:15, 15 August 2024
holocrystalline plutonic rock that consists largely of nepheline and alkali feldspar. The rocks are mostly pale colored, grey or pink, and in general appearance...18 KB (2,131 words) - 15:06, 22 April 2023
Cambrian rock of the Raschau sequence, about 530 to 540 million years old. Feldspar-bearing muscovite mica-schist forms the basis of this sequence in which...16 KB (702 words) - 19:52, 25 January 2023- Unimin's product portfolio includes industrial sand, high purity quartz, feldspar, nepheline syenite, microcrystalline silica, ball clay, kaolin, calcium...6 KB (519 words) - 14:50, 1 October 2024
- water-worn sand grains and if it contains dull, weathered particles of feldspar, shining scales of mica or small crystals of calcite these also rarely...13 KB (1,828 words) - 08:58, 15 July 2024
minerals are allanite, zircon, and apatite. A soda-lime feldspar predominates over potash feldspar, and quartz is abundant. Hornblende and biotite are...10 KB (941 words) - 10:52, 6 June 2024
their bright, white color. Arkose is a sand or sandstone with considerable feldspar content, derived from weathering and erosion of a (usually nearby) granitic...32 KB (3,860 words) - 12:25, 6 October 2024
clay lime-bearing silicates are formed, such as diopside, epidote, garnet, sphene, vesuvianite and scapolite; with these phlogopite, various feldspars, pyrites...17 KB (2,160 words) - 14:08, 17 August 2024
alabaster was replaced by feldspar and quartz, allowing the pieces to be fired at lower temperatures. Kaolinite, feldspar, and quartz (or other forms...59 KB (6,488 words) - 17:48, 26 September 2024- classification for sandstones based on the relative abundances of quartz (Q), feldspars (F), and rock fragments (R). These are the main poles of the classification...11 KB (1,411 words) - 13:40, 30 June 2023
garnet–rhodonite schist. It may also contain sillimanite and graphite. Feldspar may occur in some cases. Khondalites are considered to be metasedimentary...4 KB (385 words) - 03:50, 13 January 2024
handling properties, like many routine aluminosilicate minerals, e.g. feldspar. They have the general formula (MAlO2)(SiO2)x(H2O)y where M+ is usually...50 KB (5,608 words) - 21:46, 2 October 2024
mineral anorthite (CaAl 2Si 2O 8), the calcium endmember of the plagioclase feldspar mineral series. Aluminum is a good electrical conductor, and atomized aluminum...82 KB (8,902 words) - 22:03, 24 September 2024- rock, containing amphibole as an essential constituent, together with feldspar and frequently garnet. Like hornblende schist, amphibolite is formed by...81 KB (10,303 words) - 06:28, 27 July 2024
- many varieties of feldspar: some of them differ from that most common in granite, which is called plagioclase, in containing lime or soda instead of
- the feldspar group of minerals, which contains sodium (Na). It is often grouped with anorthite (the calcium feldspar) in the more general feldspar mineral