|Mineral Name:||Indicolite (a variety of elbaite tourmaline)|
|Composition:||Sodium lithium aluminum boro-silicate hydroxide|
|Nomenclature:||Named after the mineral's color.|
|Additional Notes:||Also known as indigolite. Indicolite is the blue variety of elbaite, which is a member of the tourmaline family of minerals.|
The stamp shows a natural, unpolished specimen.
The mineral name is misspelled as "Indigolite" on the stamp.
|http://mineralstamps.rbnet.net/indicolite.htm||Philatelic Mineralogy||Copyright © 1997-2010 by Richard Busch|