Aeschynite is an uncommon, rare earth mineral that is seldom cut into a gemstone. Two varieties of aeschynite also contain the elements cesium and thorium which are radioactive. It is not recommended to store this mineral in inhabited areas or to have prolonged exposure to the body.
- Optical Properties
- Characteristic Physical Properties
- Chemistry & Crystallography
Aeschinite, Blomstrandine, Blomstrandinite, Eschynite, Priorite,Taiyite
Countries of Origin
Afghanistan; Russian Federation; Angola; Czechia; United States of America; Madagascar; Kazakhstan; United Kingdom of Great Britain and Northern Ireland; Oman; Greece; Saudi Arabia; Austria; Mongolia; Sweden; Mozambique; Korea (the Republic of); Unknown; China; Brazil; Poland; Slovakia; France; Romania; Hungary; Sri Lanka; Japan; Switzerland; India; Spain; New Zealand; Canada; Norway; Namibia; Swaziland; Finland; Italy; Mexico; Australia; Germany
Care needs to be taken with Aeschynite because it has perfect cleavage and it brittle. Aeschynite-Ce and that contains Cesium and Aeschynite-Nd that contains Neodymium are slightly radioactive and should be kept in a special lead storage container.