 |
|
|
|
|
|
Idocrase
|
|||||||||||
 |
The crystals show a square cross-section perpendicular to the long axis.
Idocrase produces some very nicely shaped crystals. |
||||||||||
|
|
Oddly enough, some of its crystal structure is similar to that of
grossularite, a garnet, which is an isometric mineral. |
||||||||||
|
|
Idocrase forms as a result of contact between metamorphic rock and
impure limestone, and is usually found with other exotic minerals. |
||||||||||
|
|
A massive green gem variety is called Californite from where it is
found. |
||||||||||
|
|
Idocrase’s color is normally green, but also can be brown, yellow, blue
and/or purple. |
||||||||||
|
|
Luster is vitreous to resinous. |
||||||||||
|
|
Crystals are transparent to translucent. |
||||||||||
|
|
Idocrase possesses a hardness of 6.5 |
||||||||||
|
|
Idocrase occurs in Quebec - Canada, California and the New England
region of U.S.A., Mt Vesuvius - Italy, Russia and Switzerland. |
||||||||||
|
|
|||||||||||
 |
|
|
|
|
|
|
|
|
||||||
