Which gemstones come in different Colours?

Which gemstones come in different Colours?

Multicoloured Gems

• Alexandrite.
• Aventurine.
• Bi Colour Amethyst.
• Bi Colour Citrine.
• Bi Colour Fluorite.
• Bi Colour Kunzite.
• Bi Colour Quartz.
• Bi Colour Tanzanite.

What color gemstone is the rarest?

Black Opal It is also considered among the rarest of all gemstones. Almost all the world’s supply of black opal is mined in Lightning Ridge in New South Wales, Australia. The main characteristic that will differentiate black opal from common opal is its body tone.

How do I identify my gemstones?

Gemstone Identification: How to Identify Gemstones

1. Step 1 – Basic Observation: Color, Transparency, and Specific Gravity.
2. Step 2 – Light It and Loupe It: Optical Phenomena and Luster.
3. Step 3 – Determining Refractive Index and Birefringence.
4. Birefringence Testing.
5. Step 4 – Determining Single vs.
6. Make Your Identification!

What is the most colorful gemstone?

Tourmaline: Earth’s most colorful mineral and gemstone.

What stone is blue and green?

What stones are blue green? The most consistently blue-green gemstones are amazonite, turquoise, chrysocolla, and apatite. Other stones like fluorite, jasper, and agate come in many colors and some individual stones are blue green.

What’s the most precious stone?

1. Blue Diamond. The stunning blue diamond is arguably the most prized of all precious gemstones. A flawless example is so rare that whenever one comes to auction it causes a huge stir in the jewelry world.

What gems are rainbow?

Tourmaline, is often referred to as the Rainbow Gemstone, and according to an old Egyptian legend, ‘tourmaline on its long journey up from the centre of the Earth, passed over a rainbow’. The reality is that tourmalines are made of mixed crystals of aluminium boron silicate.

What gems are yellow?

The most plentiful yellow gemstones in the marketplace are citrine, sapphire, topaz, tourmaline, and transparent opal. Other varieties include yellow andradite garnet, spessartine and Mali garnets, beryl, sphene, zircon, spodumene and transparent varieties of labradorite and orthoclase feldspar.