Scapolite "eyes-chain" from Tanzania.

Scapolite is a mineral group from the isomorphic series between maria left and mejoniet. Both belong to the tectosilicates. The transparent to translucent white, gray, yellow, brown or pale pink scapolite has a glass sheen, a white stripe color and cleavage is clear, according to the crystal surfaces [100] and [110]. Scapolite has an average density of 2.66, and the hardness is 6. The crystal system is tetragonal and the mineral is not radioactive. The name of the mineral scapolite is derived from the Greek words skapos ( "staff") and lithos, meaning "stone". Scapolite is a mineral which occurs as the product of weathering plagioklazen from gabbros. The type of location scapolite the Otter Lake in Canada. Deposits are located in Burma (Mogok), where yellow, pink and violet blue crystals are found. Some exhibit kattenoogeffect. Similar skapolieten also found in Sri Lanka (Balangoda in Ratnapura). Yellow skapolieten be won in Canada, pale yellow in Brazil. Individual transparent crystals can be 40 x 10 cm in size. Gemstone Lieten Kapo also found in Tanzania, Kenya, Madagascar and Mozambique. Large cut stones are rare. At the Smithsonian Institution in Washington featured will include a polished stone of 288 carats, a cut skapoliet-cat of 29.9 carats from Myanmar and a heavy yellow orange cut stone from Tanzania. It is further found in Brevik, Norway.