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Werneria Volume 1-2; With Notes According to the Improvements of Klaproth, Vauquelin, and Hauy (Paperback) Loot Price: R284
Discovery Miles 2 840
Werneria Volume 1-2; With Notes According to the Improvements of Klaproth, Vauquelin, and Hauy (Paperback): Stephen Weston
Werneria Volume 1-2; With Notes According to the Improvements of Klaproth, Vauquelin, and Hauy (Paperback): Stephen Weston

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Werneria Volume 1-2; With Notes According to the Improvements of Klaproth, Vauquelin, and Hauy (Paperback)

Stephen Weston

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Loot Price R284 Discovery Miles 2 840

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1805 Excerpt: ...gravity 2--33; hard as jasper nearly. Melts at 151 of Wedgwood into a spongy and semi-transparent mass. In this substance fire in the earth has begun ta glaze, or slightly vitrify its surface, like pottery over-baked. Heliotrope.--Specific gravity from 2 fJ2 to 2--7. At-114 of Wedgwood grows-brown. Hello8 From Egypt, Iceland, and Siberia comes; Rich in green shades with spots of red, and no With ochre-yellow; by heat degenerates To reddish brown, hut scarce is fused With aid of oxygene.------. SPECIES XXXIV. Wood-Stone, bois Petrifie, Holzstein, Lithoxylon. Lithoxylon in Martinique abounds, And varies as the wood it represents. SPECIES XXXV.--Felspar. Felspar with varied tints abounds; flesh red And grey, but scarcely ever black is found, trope is bloody jasper-quartz, and distinguishable from agate-quartz of a dark-green, dotted with red, by its opacity, since the agate-quarte with a similar face is transparent. Petrified Wood is agate-quartz, or wood incrusted. Quartz sometimes incrusts foreign substances, and particularly the dog's tooth calcareous spar, the metastatique of Hauy, and dent de cochon of De Lisle. Felspar.--The essential character is in its natural joints equally distinct, in two directions, perpenAnd rarely blue, or green. Transparent now With pearly hue, and iridescent rays, And now opaque; in fracture foliate, In crystals tetrahedrally disposed, Obliquely truncate, and in rhomboids forra'd. dicular the one upon the other. Spec. grav. 2--4378 to 2--7045. Cuts glass, and sparkles when struck against the steel; has a double refraction when cut into facets; very little electricity, and some phosphorescence, if rubbed one piece against another in the dark. According to Kirwan, any compound of silex and alumine, in which silex prevails, with l...

General

Imprint: Rarebooksclub.com
Country of origin: United States
Release date: March 2012
First published: March 2012
Authors: Stephen Weston
Dimensions: 246 x 189 x 2mm (L x W x T)
Format: Paperback - Trade
Pages: 38
ISBN-13: 978-1-130-36761-4
Barcode: 9781130367614
Categories: Books
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LSN: 1-130-36761-4

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