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harmotome
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harmotome
harmotome Min. (ˈhɑːmətəʊm) Also erron. harmotone. [a. F. harmotome (Haüy), f. Gr. ἁρµός joint + -τοµος cutting; app. in reference to the fact that the octahedron divides parallel to the plane that passes through the terminal edges.] A hydrous silicate of aluminium and barium, commonly occurring in ...
Oxford English Dictionary
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Harmotome
Harmotome is a mineral, one of the rarer zeolites; a hydrated barium silicate with formula: (Ba0.5,Ca0.5,Na,K)5Al5,Si11O32·12(H2O). Location
Like other zeolites, harmotome occurs with calcite in the amygdaloidal cavities of volcanic rocks, for example, in the dolerites of Dumbartonshire
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morvenite
morvenite Min. (ˈmɔːvənaɪt) [Named by T. Thomson from Morven in Scotland, its locality: see -ite.] A variety or synonym of harmotome.1836 T. Thomson Min., Geol., etc. I. 351 The third species [of harmotome], to which I have given the name of morvenite. 1883 M. F. Heddle in Encycl. Brit. XVI. 423/1.
Oxford English Dictionary
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Strontianite
These two minerals are often found in association, together with baryte, calcite, harmotome and sulfur.
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stauro-
stauro- (ˈstɔːrəʊ, stɒˈrɒ) before a vowel staur-, combining form of Gr. σταυρός cross, employed in several terms, chiefly scientific. stauractin(e [Gr. ἀκτιν-, ἀκτίς ray], ‘hexactinellid spicules of the dermal sponge-layer in which two of the arms are atrophied, leaving the remaining four in the for...
Oxford English Dictionary
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Brewsterite
It is found with harmotome in the lead mines at Strontian in Argyllshire.
References
IMA Zeolite Classification
Zeolites of the World, Rudy W.
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glottalite
glottalite Min. (ˈglɒtəlaɪt) [f. Glotta, an alleged ancient name of the river Clyde (for Clōta, Tacitus) + -lite.] = edingtonite.1836 T. Thomson Min. I. 328 Glottalite..coats one side of a fragment of greenstone. 1868 Dana Min. (ed. 5) 417 Glottalite..is probably edingtonite, mixed with harmotome.
Oxford English Dictionary
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Phillipsite
The crystals are monoclinic, but only complex cruciform twins are known, these being exactly like twins of harmotome which also forms a series with phillipsite-Ca Crystals of phillipsite are, however, usually smaller and more transparent and glassy than those of harmotome.
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zeolite
zeolite Min. (ˈziːəlaɪt) Also 8–9 erron. -yte. [ad. Sw., G., etc. zeolit, f. Gr. ζεῖν to boil, seethe + λίθος stone, -lite; so named from its boiling and swelling under the blowpipe: see quot. 1777.] Generic name for a large and varied group of minerals, consisting of hydrous silicates in which the ...
Oxford English Dictionary
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Serpierite
At the Brownley Hill Mine, Alston Moor, Cumbria, England, serpierite occurs with harmotome and gypsum, and rarely with brochantite, in fractures in quartz
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staurolite
staurolite Min. (ˈstɔːrəʊlaɪt) [a. F. staurolite (Delamétherie 1792): see stauro- and -lite.] † 1. = harmotome. Obs.1796 Kirwan Elem. Min. (ed. 2) I. 282 Staurolite, or cross stone of St. Andreasberg in the Hartz. 1837 Dana Min. 277 Harmotome, Vulcanus gemellus... Staurolite. 2. Silicate of aluminiu...
Oxford English Dictionary
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Conlig
The area contains the only known occurrence of the mineral harmotome in Northern Ireland.
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cross-stone
ˈcross-stone Min. [cross- 3 b.] A name given to chiastolite; also to the minerals staurolite and harmotome, from the cruciform arrangement of the crystals.1770 tr. Cronstedt's Min. 83. 1771 Hill Fossils Arranged 152. 1796 Kirwan Min. I. 282. 1814 Allan Min. Nomen. 1851 [see harmotome]. 1868 Amer. Na...
Oxford English Dictionary
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Zeolite
. - Chains of doubly connected 4-membered rings
Phillipsite framework (PHI): harmotome, phillipsite-series
Gismondine framework (GIS): amicite, gismondine
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Edingtonite
It occurs associated with thomsonite, analcime, natrolite, harmotome, brewsterite, prehnite and calcite.
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