Coloured Stones
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Coloured Stones

Coloured Stones

The natural world is full of surprises, from incredible landscapes to amazing creatures. Nature also provides one of the earth’s most intriguing creations – the coloured gemstone.

When you are looking to create a completely unique piece of jewellery, whether it be an engagement ring, or a special piece to celebrate a milestone occasion in your life, you should consider these amazing stones direct from the natural world to you.

If you think about it, for a crystallized chemical compound to display such fantastic brilliance and gorgeous colour it is beyond amazing. So many fabulous gems will provide years of enjoyable wear and can often become heirloom pieces for future generations.

Gem hardness plays a genuine part in the type of gemstone that is right for you. The type of wear a jewellery item receives is also worth considering. For example, an engagement ring gemstone would best be chosen form either Blue or coloured Sapphire and Ruby. These have a hardness of 9 and will resist scratching over many years. Stones with a hardness of 8, such as Emerald, Aquamarine, Morganite, Topaz, Alexandrite and any colour of Spinel, are also a great stone choice for everyday pieces. Other coloured gems with a lower hardness, will work well for Dress Rings and items which are not worn day in and day out.

Sapphire

Sapphire

  • Colour: Every colour but red
  • Specialty variations: Kashmir, Burmese, Ceylon, Australian, Royal Blue (as pictured), Padparadscha and Golden Sapphire
  • Mohs Hardness: 9
  • Birthstone: September
  • Mineral: Corundum

Ruby

Ruby

  • Colour: Red – Purplish-Red
  • Mohs Hardness: 9
  • Birthstone: July
  • Mineral: Corundum

Emerald

Emerald

  • Colour: Vibrant Green through strongly Blueish Green
  • Mohs Hardness: 7.5 to 8
  • Birthstone: May
  • Mineral: Beryl

Aquamarine

Aquamarine

  • Colour: Greenish Blue, through Blue Green – light in tone
  • Specialty variations: 7.5 to 8.0
  • Birthstone: March
  • Mineral: Beryl

Morganite

Morganite

  • Colour: Pink to Orange-Pink
  • Mohs Hardness: 7.5 to 8
  • Mineral: Beryl

Tourmaline

Tourmaline

  • Colour: All colours
  • Specialty variations: Paraiba (as pictured), Rubellite, Indicolite, Chrome, Bi-Colour
  • Mohs Hardness: 7 to 7.5
  • Birthstone: October
  • Mineral: Tourmaline

Amethyst

Amethyst

  • Colour: Purple
  • Specialty variations: Ametrine - Bicolour orange/yellow and purple (citrine and amethyst)
  • Mohs Hardness: 7
  • Birthstone: February
  • Mineral: Quartz

Citrine

Citrine

  • Colour: Golden Yellow, Orange – Orangey-Red
  • Specialty variations: Ametrine - Bicolour orange/yellow and purple (citrine and amethyst)
  • Mohs Hardness: 7
  • Birthstone: November
  • Mineral: Quartz

Tanzanite

Tanzanite

  • Colour: Violet Blue to Bluish Violet to Violet Purple – has colour change
  • Mohs Hardness: 6 to 7
  • Birthstone: December
  • Mineral: Zoisite

Spinel

Spinel

  • Colour: Red, Orange, Pink, Purple, Blue, Black
  • Mohs Hardness: 8
  • Birthstone: August
  • Mineral: Spinel

Topaz

Topaz

  • Colour: Yellow, Orange, Brown, Pink, Red To Purple Red, Blue, Light Green And Colourless
  • Specialty variations: London Blue, Imperial
  • Mohs Hardness: 8
  • Birthstone: November
  • Mineral: Topaz

Alexandrite

Alexandrite

  • Colour: Bluish Green in daylight, Purplish Red in incandescent light – has colour change
  • Mohs Hardness: 8.5
  • Birthstone: June
  • Mineral: Chrysoberyl

Peridot

Peridot

  • Colour: Yellowish Green to Greenish Yellow
  • Mohs Hardness: 6.5 to 7
  • Birthstone: August
  • Mineral: Olivine

Garnet

Garnet

  • Colour: Many colours
  • Specialty variations: Almandite, Demantoid, Malaia, Pyrope, Rhodolite (as pictured), Tsavorite, Spessartite
  • Mohs Hardness: 6.5-7.5
  • Birthstone: January
  • Mineral: Garnet group

Zircon

Zircon

  • Colour: Blue, Red, Yellow, Orange, Brown, Green
  • Mohs Hardness: 6 to 7.5 (low to high)
  • Birthstone: December
  • Mineral: Zircon

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