It has the misnomers olivine and uralian emerald. Amber is used in jewelryit has also been used as a healing agent in folk medicine.
Toprock gemstones and minerals wholesale wholesale minerals crystals rock shops rock supplier mineral wholesaler namibia zambia congo angola malawi.
Demantoid garnet jewellery. Much valued from antiquity to the present as a gemstone amber is made into a variety of decorative objects. Amber is fossilized tree resin which has been appreciated for its color and natural beauty since neolithic times. Andradite is a calcium and iron rich garnetthe chemical formula is ca 3 fe 2 sio 4 3 with chromium substitution as the cause of the demantoid green color.
Ferric iron is the cause of the yellow in the stone. There are five classes of amber defined on the basis of their chemical constituents. Demantoid is the green gemstone variety of the mineral andradite a member of the garnet group of minerals.
Demantoid Garnet Jewelry Demantoid Earrings And Pendants