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Search Results - The Gem Quarter

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Take a closer look at the fascinating phenomena that produce multi-colour and colour-change gemstones, from ametrine and alexandrite to opal and zultanite.

The Gem Quarter
The Gem Quarter: The Rainbow Connection - Understanding multi-colour and colour-change gemstones

Multi-colour and colour-change gemstones are among the most unique and beautiful of all jewellery crystals. Here, Jeweller discovers the gemmological phenomena that create eye-catching rainbow hues. Read more »
From candy to crimson, there's a whole vibrant spectrum just within these passionate hues.

Gemstones
The Gem Quarter: Understanding colour - Candy to Crimson

Jeweller explores the vivid spectrum of red, pink and purple gemstones, from chemical quirks and crystal lattice deviations to exotic origins and mystical tales. Read more »
L to R: Yewn High Jewellery earrings | Tiffany & Co. pendants | Wallace Chan brooch

Gemstones
Jade Part I: Jadeite

The lustrous texture and luminous colours of polished jade have been prized for thousands of years. Ancient cultures in North, Central and South America, New Zealand, Asia and Europe valued jade for its beauty, hardness and durability; properties that made it suitable for use in implements, jewellery, regalia and decorative items. Read more »

The Gem Quarter
Colour Investigation: Zircon

Zircon is a mineral with certain optical properties that can rival those of a diamond. Found in a varied palette,the cause of colour in this gemstone is little known. STACEY LIM discusses two popular theories. Read more »

Gemstones
Ultimate guide to birthstones

While most people are familiar with the term “birthstone” and its association with a monthly calendar, do you know which one corresponds with each month? And perhaps more importantly, can you answer customer questions about gemstones? Read more »
Jewellers are advised to avoid prolonged heat and ultrasonic processes when mending and making opal jewellery

Australian Gemstones
Opal rumour, myth and mystery

Will the Australian opal industry ever outgrow its association with poor quality, mass-produced triplet jewellery? And what about those rumours that opal is bad luck? Megan Austin goes digging. Read more »

Gemstones
Tourmaline: a rainbow in all seasons

The name tourmaline comes from the Sinhalese word “turmali,” which means “mixed”. Colour is the major characteristic of this gorgeous stone, which is found in more hues, shades and nuances than any other gem – a veritable rainbow that really lives up to its name. Read more »

Gemstones
Quartz: the chameleon of gems

Throughout history, quartz has been recognised as the chameleon of gemstones, substituting for an incredibly diverse range of more expensive gemstones from diamond to jade; however, in recent times, the incredible variety of quartz is being appreciated for its own sake. Read more »

Gemstones
Garnet: lights the way

Deep red is generally the colour that comes to mind when thinking of garnets. The use of garnet dates back to biblical times, with several references to the gem in the Bible. Legend has it that a large garnet adorned a pedestal in the middle of Noah's Ark. The brightness of the stone was said to illuminate the sea, allowing the ship to travel safely through the night. Read more »

Gemstones
Tanzanite: The African gem

Tanzanite is actually a coloured form of the mineral, zoisite and ranges in colour from an aqua to a deep, royal blue. Read more »

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