semiprecious stones
Next to precious stones, these stones are the ones whose beauty and durability make them most suitable for jewelry.
amethyst 
Stone whose color ranges from pale mauve to deepest purple.
lapis lazuli 
Opaque, dark blue stone that is usually speckled; the glittering flecks are proof of its authenticity.
turquoise 
Opaque, light blue stone with tinges of green; it often contains brown, gray or black veins.
opal 
Soft opaque stone that is milky-white or quite dark and gives off rainbowlike reflections.
tourmaline 
Usually multicolored stone with a rich array of colors from red to pink and green and on to blue.
aquamarine 
Stone whose color ranges from whitish-pale blue to a deep blue-aqua color.
topaz 
Stone with a wide range of colors, including yellowish-orange (the most common), green (the rarest), pink (the most sought-after), blue, brown and colorless.
garnet 
Stone whose color ranges from green to yellow to dark red.