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Alexandrite

Tsarstone collectors guide

Glossary of Terms

Glossary of gemological terms and acronyms related to chrysoberyl, alexandrite and cymophane

A

(Alexanderite - American Gem Society)

B

(Beryl - Brazilian chrysoberyl)

C

(Cabochon - Czochralski technique)
Alexandrine
Alexandrite
Alexandrite cat's eye
Alexandrite doublet
Alexandrite garnet
Alexandrite inclusions
Alexandrite twinning
Alexandrite-like synthetics
Alexandrium
Aluminum
American Gem Society
Beryl
Beryllium
Birthstone
Blue Alexandrite
Brazilian cat's eye
Brazilian chrysoberyl
Cabochon
Carat
Chatoyancy
Chemical composition
Chromium
Chrysoberyl
Clarity grading
Color change
Corundum
Crystal
Crystal structure formation
Cyclic twins
Cymophane
Cymophane
Czochralski technique

D

(Daylight lamp - Durability)

E

(Electron microscope - E (Electron microscope - Eyepiece))

F

(Facet - Flux-grown synthetic alexandrite)
Daylight lamp
Density
Diamond
Dolomite
Durability
Electron microscope
Electronic balance
Electronic colorimeter
Eye perfect
Eyepiece
Facet
Fluorescence
Flux inclusions
Flux-fusion method
Flux-grown synthetic alexandrite

G

(Garnets - GIA Gem Trade Laboratory)

H

(Hardness - Hue)

I

(Imitation - Irradiation)
Garnets
Gemstone
Gemstone cuts
General form
GIA Gem Trade Laboratory
Hardness
Heated stone
Heavy minerals
Host crystal
Hue
Imitation
Inamori synthetic pulled alexandrite
Incandescence
Inclusion in chrysoberyl
Inclusions
Index of refraction
Irradiation

J

(Jewel - Jewels of India)

K

(Kandy spinel - Kelvin temperature scale)

L

(Laminate - Luminescence)
Jewel
Jewel enamel
Jewel tweezers
Jewelry
Jewels of India
Kandy spinel
Karat
Kashan flux-grown rubies
Kashmir
Kelvin temperature scale
Laminate
Lapidary
Laser
Light absorption
Luminescence

M

(Magma - Moh's hardness scale)

N

(Natural - Novosibirsk synthetic alexandrite)

O

(Opaque - Oxide)
Magma
Metamorphic
Metamorphic rock
Mica schist
Mineral
Mineralogy
Moh's hardness scale
Natural
Needle
Needlelike (silk)
Negative reading
Novosibirsk synthetic alexandrite
Opaque
Optical axis
Oriental chrysoberyl
Orientation crystal
Oxide

P

(Pegmatite - Physical properties)

Q

(Quantum - Quoin facets)

R

(Radiation - Refractive index measurement)
Pegmatite
Perovskite
Phase
Phenomenon
Physical properties
Quantum
Quartz, cat's-eye
Quench crackled synthetic corundum
Quinoline
Quoin facets
Radiation
Radium fluorescence
Ray
Reflection
Refractive index measurement

S

(Silica - Synthetic alexandrite)

T

(Thermochroism - Trichroism)

U

(Ultramafic - Ultraviolet microscope)
Silica
Simulant
Specific gravity
Spectroscope
Spectrum
Spinel
Synthetic
Synthetic alexandrite
Thermochroism
Thermolumnescence
Translucent
Transparent
Trichroism
Ultramafic
Ultrasonic cleaning
Ultraviolet absorption
Ultraviolet lamp
Ultraviolet microscope

V

(Vacuum fluorescence display - V-shaped inclusions in corundum)

W

(Water of crystallization - Weight of gemstones and precious metals)

X

(X-ray - X-ray spectrum)
Vacuum fluorescence display
Vanadium
Volcanic glass
Volcanic rock
V-shaped inclusions in corundum
Water of crystallization
Wave form of light
Wavelength
Weathering
Weight of gemstones and precious metals
X-ray
X-ray crystal spectrometer
X-ray filters
X-ray fluorescence
X-ray spectrum

Y

(Y-axis - Yttrium)

Z

(Zonary growth - Zoning)
Y-axis
Yehuda treatment
Yellow chrysoberyl
Young-Helmholtz theory of color vision
Yttrium
Zonary growth
Zone
Zone axis
Zone of crystal faces
Zoning

Page 12 of 13 Back to Top << >>
Chapter 1. Insidious siberian
The prophetic Russian stone - Alexandrite
www.alexandrite.net/chapters/chapter1/index.html
Chapter 2. Diaphanite or Alexandrite?
Alexandrite or Diaphanite?
www.alexandrite.net/chapters/chapter2/index.html
Chapter 3. Species and variety
Chrysoberyl Species and Variety
www.alexandrite.net/chapters/chapter3/index.html
Chapter 4. Classification and properties
Chrysoberyl Classification and Properties
www.alexandrite.net/chapters/chapter4/index.html
Chapter 5. The Alexandrite effect
The Alexandrite Effect
www.alexandrite.net/chapters/chapter5/index.html
Chapter 6. World occurrences
Alexandrite World Occurrences
www.alexandrite.net/chapters/chapter6/index.html
Chapter 7. Synthetics and imitations
Alexandrite Synthetics and Imitations
www.alexandrite.net/chapters/chapter7/index.html
Chapter 8. Myths, legends and lore
Alexandrite Myths, Legends and Lore
www.alexandrite.net/chapters/chapter8/index.html
Chapter 9. Alexandrite buyer's guide
Alexandrite Buyer's Guide
www.alexandrite.net/chapters/chapter9/index.html
Chronological History of Alexandrite
Chronological History of Alexandrite
www.alexandrite.net/chapters/chronology-on-the-history-of-alexandrite.html
FAQ
Alexandrite Frequently Asked Questions
www.alexandrite.net/chapters/faq/index.html
Bibliography
Bibliography
www.alexandrite.net/chapters/bibliography.html

Tags

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