17th October 2019


What are the different types of gemstones?

Gemstone Index
  • Alexandrite. Amethyst. Aquamarine. Citrine.
  • Diamond. Emerald. Fancy Diamonds. Garnet.
  • Lapis Lazuli. Moonstone. Morganite. Opal.
  • Paraiba. Pearls. Peridot. Rubellite.
  • Ruby. Sapphire. Spinel. Tanzanite.
  • Topaz. Tourmaline. Turquoise. Zircon.

Likewise, people ask, what are the four most precious stones?

The traditional list of gemstones that are considered precious stones are:
  • Diamond.
  • Ruby.
  • Sapphire.
  • Emerald.

What are the rarest gemstones in the world?

The following 10 gems are the world's rarest and most valuable gemstones.
  • Benitoite.
  • Grandidierite.
  • Black Opal.
  • Red Beryl.
  • Jadeite.
  • Taaffeite.
  • Alexandrite.
  • Painite. According to many, including the Guinness Book of World Record, Painite is the world's rarest mineral.

How many kinds of crystals are there?

Crystal Systems: Atoms in a crystal bond into specific shapes and patterns know as systems. The four types of crystals may appear as one of seven structural/system types: cubic, hexagonal, tetragonal, orthorhombic, trigonal, monoclinic and triclinic.
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