Learning Library
Gemstone
A
Abalone
Adamite
Agate
Alexandrite
Almandine Garnet
Amazonite
Amber
Amblygonite
Amethyst
Amethyst Feature
Ametrine
Ametrine Feature
Ammolite
Ammolite Feature
Andalusite
Andesine
Andradite Garnet
Angelite
Apatite
Aquamarine
Aragonite
Astraeolite
Australian Sapphire
Aventurine
Axinite
Azurite

B
Bastnasite
Benitoite
Beryl
Bi-Coloured Tourmaline
Bixbite or Pezzottaite
Black Diamond
Bloodstone
Blue Diamond
Blue Garnet
Blue Moonstone Quartz
Blue Sapphire
Blue Topaz
Blue Tourmaline
Burmite

C
Canary Diamond
Carnelian
Ceylon Sapphire
Chalcedony
Champagne Quartz
Champagne Topaz
Charoite
Chinese Sapphires
Chrome Tourmaline
Chrysoberyl
Chrysoprase
Citrine
Clinohumite
Coral
Cruzeiro Rubellite
Cullinan Diamond
Cuprian Tourmaline
Cuprite
Cymophane

D
Danburite
Demantoid Garnet
Diamond
Diaspore
Diopside
Dresden Diamond
Drusy
Dumortierite

E
Elbaite
Emerald
Emerald Feature
Emerald Feature - Zambia
Emeralds by Location
Enstatite
Epidote

F
Feldspar
Fibrolite or Sillimanite?
Fire Opal
Fluorite
Fool’s Gold - Pyrite

G
Garnet
Goshenite
Grossular Garnet

H
Hackmanite
Haematite
Heliodor
Hessonite
Hiddenite
Howlite

I
Imperial Topaz
Imperial Topaz Feature
Indicolite
Iolite

J
Jade
Jasper
Jet

K
Kanchanaburi Sapphire
Kashmir Sapphires
Kornerupine
Kunzite
Kyanite

L
Labradorite
Lapis Lazuli
Larimar
Lemon Quartz
Lepidolite
London Blue Topaz

M
Madagascar Sapphires
Malachite
Malaia Garnet
Mali Garnet
Marcasite
Mawsitsit
Medusa Quartz
Merelani Mint Garnet
Moissanite
Moldavite
Mookite
Moonstone
Morganite
Moss Agate
Mother of Pearl
Mozambique Garnet
Mystic Quartz
Mystic Topaz

O
Obsidian
Onyx
Opal
Orthoclase

P
Padparadscha Sapphire
Paraiba Tourmaline
Peanut Wood
Pearl
Peridot
Petalite
Pezzottaite
Phosphosiderite
Pink Sapphire
Pink Tourmaline
Praseolite
Prasiolite (Green Amethyst)
Prehnite
Pyrope Garnet

R
Red Labradorite
Rhodochrosite
Rhodolite garnet
Rhodonite
Rock Crystal
Rose Quartz
Rubellite Tourmaline
Ruby
Rutilated Quartz
Rutile Topaz

S
Sapphire
Sardonyx
Scapolite
Serpentine
Shiva Eye
Sillimanite
Sinhalite
Sky Blue Topaz
Smokey Quartz
Sodalite
Spessartine Garnet
Sphalerite
Sphene
Spice Topaz
Spinel
Spodumene
Star Sapphire
Strawberry Quartz
Sugilite
Sunstone

T
Taaffeite
Tanzanite
Tiger’s Eye
Topaz
Tourmaline
Tsavorite
Turquoise
Turritella Agate

U
Unakite
Uvarovite Garnet

V
Vesuvianite (Idocrase)

Y
Yellow Sapphire

Z
Zincite
Zircon
Zoisite
Zultanite (Diaspore)
Jewellery Terms
A
Adamantine
Adularescence
Allochromatic
Allotropic
Alloys
Alluvial Deposits
Antique Cushion Cut
Assay
Asscher Cut
Asterism
Aventurescence

B
Baguette Cut
Bangle
Bar setting
Barion Cut
Baroque
Beads
Beauty
Bezel Setting
Birefringence
Birthstones
Bleeding
Bracelets and Bangles
Breastplate of Aaron
Brilliance
Brilliant Cut
Briolette cut
Bronze Age Jewellery
Bruting
Buff top cut

C
Cabochon cut
Cameo
Campbell R Bridges
Carat
Carbuncle
Cardinal’s ring
Casting
Cathedral Setting
Cavity
Chain
Chakras
Channel Setting
Charms
Chatoyancy
Checkerboard Cut
Chemical Elements
Chemical Symbols
Choker
Christian names and gemstones
Chromium
Clarity
Clarity Grading for Coloured Gems
Clarity of Diamonds
Clasps
Claw Setting
Cleavage
Cleopatra’s Emeralds
Cloudy
Cluster Rings
Coated Gems
Cocktail Rings
Colour
Colour Change Garnet Feature
Colour Change Gems
Colour Diamond Enhancements
Colour Grading Of Diamonds
Colour Saturation
Colourless gems
Colourless Topaz
Compass card cut
Concave cut
Conflict (Free) Diamonds
Created Gems
Crown
Crown Jewels
Crystal Formation
Crystal Formation Anomalies
Crystal Healing (Lithotherapy)
Crystal Systems
Cufflinks
Culet
Cullinan replica cut
Cupio cut
Cushion Cut
Cut
Cutting

D
Density
Diaphaneity
Dichroic
Diffusion
Dispersion
Doublet
Durability
Dyed Gems

E
Earrings
Edwardian Era (1901 - 1910)
Eight Cut
Emerald Cut
Engagement Ring
Eternity Ring
Evaluating Sapphires
Extender Chain
Extinction

F
Fabergé
Facets
Fancy Cut
Fibrous
Figural Jewellery
Filigree
Findings
Fineness
Fire (Dispersion)
Flaw
Flower Cut
Fluorescence
Foil Backed

G
Gallery
Gamut Point
Gem families
Gem Sorting
Gemstone Formation
Gemstone Mining
Gemstones
Geodes
Girdle
Glyptography
Gold
Green gems and Associations
Gypsy Setting

H
Hallmark Symbols
Hallmarking - A History
Hand made chains
Hardness
Harlequin Ring
Heart Cut
Heart in Heart Cut
Heat treatment
Hexagon cut
Hue
Hydrostatic Scale

I
Idiochromatic
Igneous Rocks
Illusion Setting
Imitation gemstones
Inclusions
Invisible Setting
Iridescence
Isomorphic
Italian Jewellery

J
Jewellery

K
Kimberlite
Koh-I-Nur replica cut

L
Labradorescence
Lapidarist
Laps
Locket
Loupe
Lustre

M
Mabe Pearl
Malleable
Marquise Cut
Master Model Making
Melée
Melee Diamond Grading
Millennium Cut
Minerals
Misnomers
Mohs Scale
Moulds
Mounting

N
Nacre

O
Octagon Cut
Opalescence
Opaque
Organic gemstones
Orient
Origin
Oval Cut

P
Palladium
Pave Setting
Pavilion
Pear Cut
Pendants
Phosphorescence
Pin Setting
Pique Diamond
Platinum
Play of Colour
Pleochroism
Polymorphic
Precious Gemstones
Princess Cut
Promise Ring
Pseudochromatic

Q
Quartz
Quenched Crackle

R
Radiant Cut
Rarity
Refractive index
Rhodium
Ring Sizes
Rings
Rocks
Roman Jewellery
Rose Gold
Rutile

S
Saturation
Sautoir
Schiller
Scintillation
Scintillator Brilliant cut
Scribbling Ring
Semi Precious
Setting
Shank
Shapes
Sheen
Shoulder
Signet Ring
Silver
Sleeper
Square Cut
Stabilised Gems
Star Facet
Step Cut
Sterling Silver

T
Table
Talisman
Tapered Cut
Tarnishing
Taylor - Burton Diamond
Tennis Bracelet
Tension Set
The Lone Star cut
Tiara
Tiffany Setting
Titanium
Tone
Toughness
Transparency
Treatments
Trilliant Cut
Troy Ounce
Tumbled Gemstones

V
Valentine Heart Cut
Valuations
Vermeil
Vitreous Lustre

W
Watches
Wedding Rings
White Gold

Y
Yield

Z
Zinnia Cut
Zodiac Gemstones
Zoning (Colour Banding)
Other
A
Afghanistan
American Influences
Annabella
Anniversary Gemstones
Appraisals
Art Deco (1910 - 1939)
Art Nouveau (1880 - 1914)
As
Asscher, Joseph And Abraham
Australia
Aztecs

B
Belmont
Black Gems and Associations
Blue Gems And Associations
Bolivia
Brazil
Brazil Feature
Burma

C
Cambodia
Canada
Cartier
Ceylon (Sri Lanka)
Chelsea Filter
Chile
China
Colombia
Coloured Rocks
Cruzeiro Mine in Brazil

D
Dark Field Loupe
De Beers
Diamond Tester
Diana – Princess of Wales
Dichroscope
Dominican Republic

E
Egyptian Jewellery
Eleven Seventeen
Ethiopia
Eureka Diamond

G
Gem collector.com
George Frederick Kunz
Georgian Era
Gioielli Naturali
Glenn Lehrer
Graff Diamond
Greek Jewellery (early)

H
Hope Diamond

I
Idar-Oberstein
Imperial State Crown
India
Italian Jewellery

J
Jacque Christie
Jaipur
Jessica Lili
Jewels of Valais

K
Kama Charms
Kenya
Koh-I-Nur Diamond

L
Lorique
Louis De Berquen

M
Madagascar
Malawi
Manhattan Diamond Collection
Marcel Tolkowsky
Marilyn Monroe
Mato Grosso & Goias
Mattom
Mexico
Mikimoto (Kokichi)
Milano Charms
Mozambique

N
Namibia
Nigeria

P
Pakistan
Peru
Pliny the Elder
Pop Diamonds
Purple and Violet Gems and associations

R
Red Gems and Associations
Retro Jewellery
Royal Jewellery
Russia

S
Sancy Diamond
Sarah Bennett Collection
South Africa
St. Edward’s Crown
Star Of India
Star of the South
Switzerland

T
Tanzania
Thailand
Tomas Rae
Tookalon

U
United States
Uruguay

V
Victorian Age
Viorelli

W
White Gems And Associations
Wittelsbach Diamond

Y
Yellow Gems And Associations

Z
Zambia
Zeeshan Khan