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| | Report (volume) | | the world.
Concise Field Report
Volume 1:
Pailin, Cambodia
(Dec 2008 – Feb 2009)
Vincent Pardieu
GIA...Rough natural ruby and blue sapphire from Pailin, Cambodia. Photo: V.Pardieu/GIA Laboratory Bangkok,............................ 4
AN INTRODUCTION TO PAILIN ....................................................... 8
THURSDAY, DEC 18TH, 2008: ARRIVING IN PAILIN: ................................................................................ 8
NOTES ABOUT PAILIN CURRENT ECONOMY AND SEVERAL SECURITY ASPECTS: | 👁 Image
| | Journal (issue) | | Branch: M. P. Gayton, F.G.A.
South Yorkshire & District Branch: 1. R. M. Lewis, F.G.A.
Examiners:
B. W...A N D P R O C E E D I N G S OF THE
GEMMOLOGICAL
ASSOCIATION
OF
GREAT
BRITAIN
Vol, XVII N o . 8
OCTOBER...the spectroscope in seeing absorption bands in
zircon and almandine garnet. He mentioned the tiny diamonds...aquamarine which had been found in the
gemmiferous province of Nuristan in eastern Afghanistan. Besides
a...J.Gemm., 1981, XVII, 8
THE PAILIN RUBY AND
SAPPHIRE GEMFIELD, CAMBODIA*
By E. A. JOBBINS, B.Sc., F.I | 👁 Image
| | Journal (issue) | | The Journal of
Gemmology
V o l u m e 26 No. 2
April 1998
The Gemmological Association and Gem Testing...comparative study of Barrington,
Australia, and West Pailin,
Cambodia, gemfields
F.L. Sutherland1, D. Schwarz2,...ABSTRACT: Barrington, Australia, and West Pailin, Cambodia, basalt
fields yield remarkably similar 'metamorphic'...elements, basalt, Barrington (Australia), Pailin (Cambodia)
Introduction
Fast Australia and South East...fields, Barrington in
East Australia and West Pailin in Cambodia,
and show that they contain mixed ruby and | 👁 Image
| | Report (issue) | | They are located
about 43.9°N, 123.9°E.
11, Ying-o-men (Yingemen). Tsung-pu (1960) mentioned the early...Nanlongwan
gitululongwan
JINCHUAN
A
’5-aDalongwan
o
%
Jinlongdingzi
OY a MErion
8
wan
A
CRATER
CRATER... Distribution of volcanic features in Longwan district (listing 6) of Manchuria. Modified after
Ogura...volcanic features (filled circles) in Qixingshan
district (listing 10) of Manchuria. Shuangliao is a city...Wudalianchi (five connected lakes) district (listing 20) of
Heilongjiang Province, northeastern China. Lakes | 👁 Image
| | Book | | and
characteristics
Chemical
tion:
composi-
Al 2 O 3 (aluminium oxide)
Crystal system:
Crystal class:...·Refractive index:
1.762 - 1.770 + 0.008
- 0.006
o-ray = 1.1770
e-ray = 1.762
Birefringence:
0.008...Dichroic (weak to strong), o-ray usually more intensely
coloured than e-ray
Ruby: o-ray = purplish red; e-ray...e-ray = orangy red
Blue sapphire: o-ray = violetish blue; e-ray = greenish
blue
Absorption spectrum:...swirls), etc.
Major sources:
Burma, Thailand, Cambodia, Sri Lanka, India, Australia,
Kenya, Tanzania | 👁 Image
| | Journal (issue) | | scapolite, sphene, spodumene, sugilite,
turquoise, and zircon), as well as for regions important for cultured...important sources (i.e.,
Myanmar [figures 5 and 6], Cambodia, and
Thailand, with significant decrease in the...originated from Southeast and southern
Asia (Thailand, Cambodia, Myanmar, Vietnam,
and Sri Lanka; again, see figure...1997; figure 14). A large new
deposit in Lindi Province was the source of attractive tsavorite, which...Other
deposits occur in Xiu Lan County, Liaoning
Province, and other regions of China. As China continues | 👁 Image
| | Book | | Annie, Lucy, Clare and Peter
Gemstones
Michael O’ Donoghue
London
New York
Chapman and Hall
J1513G...America. Copy¬
right © GIA.
Plate 18 Copyright © P. O. Knischka.
Glossary
The glossary includes those...radioactive
material (as in the case of metamict zircon) and the development of mineral
inclusions from...corundum and emerald
rutile in quartz
spinel in ruby
zircon in garnet, corundum and kornerupine
Many of these...inclusion is a uranium-bearing
pyrochlore) and zircon crystals are common in Sri Lanka gemstones.
The | 👁 Image
| | Book | | recognized in awarding the diploma of the discoverer oft •,o deposits of Iceland spar. Kievlenko was an initiator...artificially enhanced; for example, treated aquamarine or zircon, colored agate, pressed amber, cemented turquoise...varieties were used equally (garnet and almandine,_ zircon and hyacinth, etc.). In elry-haberdashery production...orde17lcpidolitc, fuchsiteslate,serpentine,agalmatolite o "id::m.l.i.!:.:..-:,e. _:::-:ie.. ypers:hne. diop·idc...tourmaline(pinkand dark red - sibcritc),phenakite,amethyst,zircon (orange- hyacinth,green,etc.),preciousopal. aquamarine |
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