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a clear, yellowish-brown gemstone.
A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
A relatively rare hydrated aluminum phosphate mineral (AlPO4·2H2O), sometimes confused with turquoise.
a greenish-yellow colour, like that of a lemon.
a clear deep blue variety of corundum, valued as a precious stone.
A semi-precious stone, one of the two types of stone commonly referred to as jade, (the other being jadeite).
A semiprecious stone either nephrite or jadeite, generally green or white in color, often used for carving figurines.
Hard transparent minerals that are often used as gemstones and abrasives.
A mineral with hexagonal crystals, often pink or purple but can have different colors, KNa2(Fe2+,Mn2+,Al)2Li3Si12O30.
Any bright-coloured kind of chalcedony apart from cornelian.
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jasper
Any bright-coloured kind of chalcedony apart from cornelian.
sugilite
A mineral with hexagonal crystals, often pink or purple but can have different colors, KNa2(Fe2+,Mn2+,Al)2Li3Si12O30.
diamond
A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.
synonyms: sparkler, diamond ring, adamant, lozenge, rhomb, rhombus, 2-iamond, ball field, baseball field, baseball diamond, infield.
citrine
a greenish-yellow colour, like that of a lemon.
nephrite
A semi-precious stone, one of the two types of stone commonly referred to as jade, (the other being jadeite).
sapphire
a clear deep blue variety of corundum, valued as a precious stone.
garnet
Hard transparent minerals that are often used as gemstones and abrasives.
topaz
a clear, yellowish-brown gemstone.
jade
A semiprecious stone either nephrite or jadeite, generally green or white in color, often used for carving figurines.
