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What is the least known gem?

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What is the least known gem?

9 Gems You Have Probably Never Heard Of

  • Alexandrite. Because of its scarcity, especially in larger sizes, Alexandrite is a relatively rare, expensive mineral of the chrysoberyl family.
  • Benitoite.
  • Black Opal.
  • Grandidierite.
  • Muscovite.
  • Pietersite.
  • Poudretteite.
  • Red Beryl.

What is the most hated gem?

The Hope Diamond is the most famous “cursed” gem of them all.

What is a cheap gemstone?

Cheap Gemstones – or should we say ‘affordable’?

  • Agate. Agates come in all sorts of colors with a wide variety of patterns and decorations.
  • Amethyst. A lovely deep purple gemstone that was once as valuable as rubies and sapphires which can be used in all types of jewelry.
  • Citrine.
  • Garnet.
  • Moonstone.
  • Peridot.
  • Quartzes.
  • Spinel.

What is the weakest birthstone?

Opals are the softest of all the birthstones.

Which is the cheapest stone?

10 Most Affordable Gemstones

  • Amethyst. Belonging to the quartz family, amethyst is both abundant and incredibly popular.
  • Agate. A member of the quartz family and a variety of the chalcedony, agate gemstones come in a variety of colors.
  • Citrine.
  • Garnet.
  • Hematite.
  • Onyx.
  • Peridot.
  • Rose Quartz.

What is the weakest gem?

The Mohs Scale of Hardness

10 Diamond
4 Fluorite [Example: A knife will scratch it]
3 Calcite [Example: A copper coin will scratch it]
2 Gypsum
1 Talc [Example: A fingernail will scratch it]

What are the 7 gems?

Strictly speaking the precious stones are only seven in number—the diamond, the pearl, the ruby, the sapphire, the emerald, the oriental catseye, and the alexandrite; but to these are often added the so-called semi-precious stones—such as the amethyst, the topaz, the tourmaline, the aquamarine, the chrysoprase, the …

Are there any gems that are semi precious?

The traditional list of gemstones that are considered precious stones are: All other gemstones are considered as being semi precious stones. These are old terms and not necessarily true these days. To view the treatments associated with each of these stones, visit our Technical Information On Gemstones page.

Which is the hardest gemstone in the world?

Not only is diamond the hardest gemstone on earth (10 out of 10 in the Mohs scale), the refractive index of the precious stone is a dazzling 2.418, which explains how the precious stone is so bright and brilliant — the gemstone keeps light within its translucent crystal about 2 ½ times longer.

Why are all gemstones considered to be precious?

These days, all gemstones are considered precious since they are all rare and there is a limited supply of them. The traditional list of gemstones that are considered precious stones are: All other gemstones are considered as being semi precious stones. These are old terms and not necessarily true these days.

Which is the most affordable gemstone in the world?

Amethyst is a type of quartz which has a purplish color that can range from lavender to deep violet. Amethyst is a beautiful and popular stone, and it is also a very common one. Once it was one of the most expensive gemstones in the world, but nowadays you will find that amethyst is very affordable.

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