«ASTERIATED»に関連する英語の本
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1
Mining and Engineering World
A short time ago the writer reported the occurrence and exhibited a specimen of
asteriated rose quartz from Bedford, \Vestchester county, New York, before the
mineralogical department of the Brooklyn Institute of Arts and Sciences and the ...
An asteriated variety of ruby. (Webster) Star sapphire. An asteriated sapphire. (
Standard) Star stone. 1. A variety of ruby that exhibits a bright opalescent star of
six rays in the direction of the principal axis. (Power) 2. An asteriated sapphire. 3.
3
A Glossary of the Mining and Mineral Industry
An asteriated variety of ruby. (Webster) Star sapphire. An asteriated sapphire. (
Standard) Star stone. 1. A variety of ruby that exhibits a bright opalescent star of
siz rays in the direction of the principal axis. (Power) 2. An asteriated sapphire. 3.
4
The collected works of Sir Humphry Davy ...: Discourses ...
Bee Asteriated quartz. Star reamer. A star-shaped tool for regulating the diameter
of, or straightening a bore hole. (Gresley) Star ruby. An asteriated variety of ruby.
(Webster) Star sapphire. An asteriated sapphire. (Standard) Star stone. 1.
Sir Humphry Davy, John Davy, 1920
In the banded portion of the rock riebeckite occurs in two forms. It is in parallel
cross-libred veinlets running through bands of crystalline magnetite and it also
occurs in groups of very fine asteriated fibres in the adjacent cherty layers (See r-
ig.
Introduction: This study of asterism in quartz had its beginning in 1960 when I
obtained some rough asteriated rose quartz. Having just started in the lapidary
field I wasn't too familiar with the methods of orienting the rough. However, I went
...
7
Synthetic gem and allied crystal manufacture
If desired, the asteriated gemstone can be cut so that less than six rays show, ?s
by cutting the stone with the C-axis at an anijle to, rather than crincident with, the
normal to the plane of the base of the stone. After cutting an asteriated ruby or ...
It is recognized as an asteriated quartz, and because of its peculiarity, has been
given the name of "staro- lite.." The optical phenomenon is accounted for by the
presence within the stone of numerous tiny air spaces that reflect the light in a
star ...
9
Sri Lanka Mineral & Mining Sector Investment and Business Guide
Asteriated orthoclase is also found in Sri Lanka mostly from among the colourless
varieties. However yellow colours are also found though rarely and in these the
asteriated effect is somewhat of a sensation. Moonstones tend to show a ...
Ibpus.com, USA International Business Publications, 2007
10
Gemstones: Properties, Identification and Use
Asteriated material occurs in Myanmar and some of the attractive light green
material from theTaita Hills of southern Kenya will yield chatoyant cabochons. □
The name sinhalite is derived from Sinhala. the Sanskrit name for Sri Lanka.
