Front page and index

• Front page and index
• Introduction
• Hardness
• Specfic Gravity
• BRIGHTNESS, COLOUR, AND TRANSPARENCY.
• ELECTRICITY
• FUSION AND SOLUTION
• HISTORY AND VALUE OF GEMS
• Adularia
• Aquamarine
• Agate
• Alabastrite and alabaster
• Almandine
• Amazzonite
• Amber
• Amethyst
• Apatite
• Argirite
• Asteria
• Ivory
• Aventurine
• Axinite
• Beryl
• Boort or Kuotty Diamond
• Cacholong
• Calcedony
• Calcedonix
• Carbon
• Cyanite
• Cymophane
• Clorophane
• Mother of Pearl
• Shells
• Coral
• Corundum
• Carnelian
• Chrysoberyl
• Chrysolite
• Chrysoprase
• Rock Crystal
• Diamond
• Brilliant
• Historical Diamonds
• the Artificial Diamond
• Jasper
• Dichroite
• Hematite
• Epidote
• Essonite
• Euclase
• Fluorite
• Gagat or Greek Jet
• Jargoon
• Hauyna
• Idocrasium
• Hydrophane
• Hypersthenum
• Iris
• Labrador
• Lapis Lazuli or Lazulite
• Lava
• Petrified Wood
• Lepidolite
• Lumachella
• Malachite
• Marcasite
• Marble
• Mica
• Mosaic
• Nephrite
• Cat's eye
• Olivine
• Onyx
• Oolite
• Opal
• Ovarovite
• Touchstone
• Pastes
• Peridot
• Pearl
• False Pearls
• Pyroxenum
• Pisolite
• Plasma
• Porphyry
• Prase
• Quiritine
• Rubellite
• Oriental Ruby
• Spinel Ruby
• Balais Ruby
• Sard
• Sard Agate
• Sardonyx
• Emerald
• Emery
• Stalactite
• Tourmaline
• Topaz
• Tripoli
• Turquoise
• Variolite
• Vermilion
• Sapphire
• Epilogue

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Deposits Diamond Gemological Properties Gemstones Gold History Mine Mining Production USA

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