How To Use Volcanic glass In A Sentence
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I found a mass of crystals of the greenish volcanic glass, called olivine, imbedded in a piece of phonolite which looked as blue and fresh as if only quarried yesterday.
The Hawaiian Archipelago
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Although type 1 Mg-smectite may be derived from tektitcs, or volcanic glass, there is strong evidence that the smectite spherules are of tektite origin.
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I grope blindly and my hand finds a paperweight on the end table, a lump of volcanic glass that Emily picked up on our honeymoon in Hawaii.
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This book is intended to stimulate interest in a line of approach to such problems by describing how to build simple, inexpensive houses out of a very commonplace raw material, namely pumice, i.e. volcanic glass or hardened volcanic froth.
1. Introduction
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volcanic rock includes the volcanic glass obsidian
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And if I did find the right one, I might never know it because I might overlook that black piece of volcanic glass, or, much more likely, Andy put it into his pocket and took it with him.
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These basalts were covered with a mammiform substance, which I vainly sought on the Peak of Teneriffe, and which is known by the names of volcanic glass, glass of Muller, or hyalite: it is the transition from the opal to the chalcedony.
Travels to the Equinoctial Regions of America
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I found a mass of crystals of the greenish volcanic glass, called olivine, imbedded in a piece of phonolite which looked as blue and fresh as if only quarried yesterday.
The Hawaiian Archipelago
