Glossary
A
Agate
Alabaster
Alexandrite
Almandine
Amber
Amethyst
Ammonite
Apatite
Aquamarine
Asterism
Aventurine
B
Baroque pearl
Beryl
Brilliant-cut
Briolette Cut
C
Cabochon Cut
Cairngorm
Carat
Carbuncle
Carving
Cat's eye
Ceylon cut
Chalcedony
Chatoyancy
Chivor mine
Chrysoberyl
Chrysoberyl Cat's Eye
Chrysolite
Chrysoprase
Citrine
Cleavage
Colour
Coloured stone
Conch pearl
Coral
Cornelian
corundum
Crystal
Crystal System
Cullinan Diamond
Cultured pearl
D
Demantoid garnet
Dendrite
Dendrite Opal
Dendritic Agate
Diamond
Dichroism
Diopside
Dioptase
Dispersion
Dolomite
Double Refraction
Doublets
E
Ectoderm
Ekati
Emerald
Emerald Cut
Engraving
Eye Agate
F
Fabricated Gemstones
Facets
Feather
Fire
Fire Opal
Flourescence
Fossil
Fossilized wood
G
Garnet
Gemstone
Geode
Girdle
Glass
Gold
Golden Beryl
Grading (of diamonds)
Grading (of coloured stones)
Grain
Grossular
;
;
H
Habit Hardness
Hardness Scale (see Moh's Hardness Scale)
Heliodor
Heliotrope
Hematite
Hessonite
Hexagonal System
Highlight Cut
Honey Opal
Howlite
Hydrogrossular
Hydrostatic balance
I
Iceland agate
idar
Idar-Oberstein
Ideal Brilliant Cut
Imitations
Imperial Jade
industrial diamonds
Inherent colour
Intaglio
Iridescense
Isometric system
Ivory
J
Jade
Jadeite
Jasper
Jet
Jewel
K
Kimberlite
Kunzite
L
Labradorite
Lapis Lazuli
Leucite
Luminescence
Lustre
M
Mabe Pearl
Madeira Topaz
Magnesite
Malachite
Marcasite
Marquise Cut
Meerschaum
Mexican Onyx
Mineral
Modern Brilliant cut
Moh's Hardness Scale
Moldavite
Monoclinic system
Moonstone
Morganite
Moss Agate
Mother of Pearl
N
Nacre
Nephrite
O
Obsidian
Occurence
Old European Cut
Onyx
Opal
Opal Matrix
Opalescence
Oval Cut
P
Padparadschah
Paste
Pearl
Peridot
Petrified Wood
Phosphorescence
Placer
Pleochroism
Polishing
Princess Cut
Pseudo-agate
Pyrite
Pyrope
Q
Quartz
Quartz Cat's Eye
R
Rainbow Agate
Reflection
Refraction
Refractive Index
Rhodochrosite
Rhodolite
Rock
Rock Crystal
Rose Cut
Rose Quartz
Rubellite
Ruby
Rutile
S
Sapphire
Sard
Sard-onyx
Scapolite
Seed pearls
Serpentine
Silk
Silver
Smoky Quartz
Sodalite
Specific gravity
Spectrolite
Spessartite
Sphene
Spinel
Spodumene
Star Quartz
Star Ruby
Star Sapphire
Stone
Sunstone
Synthetic stones
T
Table cut
Tanzanite
Tektite
Thomsonite
Thulite
Thunder eggs
Tiger's eye
Titanite
Tolkowsky Brilliant cut
Topaz
Tourmaline
Translucency
Transparency
Trilobite
Turquoise
Twins
U
Uvavorite
Uvite
V
Vein
Verneuil Process
Volcanic Glass
W
Watermelon Tourmaline
Water Sapphire
Wax Opal
Wesselton Grades
Willemite
Wood Opal
X
Xanthite
X-Rays
Y
Yttrium aluminum garnet
Z
Zeolite
Zircon
Zoisite