1 WHAT ARE GEMSTONES – Gems stone
Pink Color Tourmaline Specimen

Pink Color Tourmaline Specimen

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Blue sapphire gemstone Specimen

Blue sapphire gemstone Specimen

Blue sapphire gemstone Specimen,sapphire crystal Specimen,Tourmaline Specimen,Crystal Tourmaline, More »

Tourmaline Cuts Shapes

Tourmaline Cuts Shapes

Tourmaline Cuts Shapes,Blue sapphire gemstone Specimen,sapphire crystal Specimen,Tourmaline Specimen, More »

watermelon Tourmaline

watermelon Tourmaline

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Blue sapphire gemstone Specimen

Blue sapphire gemstone Specimen

watermelon Tourmaline,Blue sapphire gemstone Specimen,sapphire crystal Specimen,Tourmaline Specimen, More »

 

WHAT ARE GEMSTONES

WHAT ARE GEMSTONES
Gemstones are generally minerals that have been or may be fashioned to use for personal adornment as a rule they are beautiful rare and durable most are minerals natural inorganic materials with a fixed chemical com position and regular internal structure a few gems like amber and pearl com for plants or animals and are known as organic other called synthetics do not a natural origin but are made in laboratories they have very similar physical properties to natural gems and may be cut to imitate the real thing
POLISHED STONE
Crystals may be rounded and polished naturally like this emerald pebble rolled in a stream or ground mechanically
NATURAL CRYSTAL
In its natural state the mineral may be a prism with clearly defined faces
CUT STONES
Like the emerald shown here almost all cut gems begin life in a crystalline from embedded in a host rock known as the matrix in this state the stone is referred to as rough many natural crystals are attractive enough to be displayed as they are others are faceted and polished to enhance their beauty then set in a piece of jewellery or an ornament
CABOCHON
A simple fashion for stone is to cut them en cabochon producing a domed highly polished surface
FACETED STONE
Most gemstones are cut to give them a number of flat surface called facets. The facets absorb and reflect light to magical effect
IMITATIONS
Gemstones have been imitated throughout the ages many lesser stones have been used as well as glass paste and other man made materials composite stones like the red garnet on green glass (above) are made of more than one piece
JEWELLERY
A piece of jewellery usually one or several polished or faceted stone set in a mount of precious metal is often the finished product
SYNTHETICS
Man made synthetic stones are similar in chemical composition and optical properties to their natural equivalents in the flux method crystals are grown then faceted (right)