We know you want a free gemstones guide and we created it!
Catalogue packed with information for gems plus gem quiz.

Each gemstone entry contains pictures, general information, geological details, chemical formula and different properties (colour, hardness, cristal system, transparency, luster, mineral class). You can also use the favourite button to create your collection and quickly access them.

With this app you will get all the basic information about gemstones.

-- gem list with pictures
-- search for gems by name
-- quiz to test your knowledge

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