Staurolite

Crystals of staurolite sometimes form as twins in a unique 90 degree cross formation that is called .....

This is an exceptionally sharp twinned staurolite crystal, a unique formation that is called a fairy.....

Crystals of staurolite rarely form as twins in a unique 90 degree cross formation that is called a ".....

This is an unusually sharp twinned staurolite crystal, a unique formation of twinned crystals crossi.....

Staurolite forms twins in a unique 90 degree cross formation that are called "fairy crosses." This o.....

Arroyo Hondo staurolites ("fairy crosses") are amongst the finest in the world, and this specimen is.....

When staurolite forms twins at a 90 degree angle in a cross formation, they are called "fairy crosse.....

Here is a near-perfect reddish-brown staurolite fairy cross is an unusually sharply formed crystal.&.....

This is a fine specimen of staurolite with almandine garnet from the closed locality at Pearl Lake. .....

Here is a large, museum-sized specimen of staurolite with almandine garnet from the closed locality .....

Here's a very large, very sharp staurolite fairy cross in a dark red-brown color that contrasts nice.....

Staurolite crystals that form 90 degree twins are rare, and large ones even rarer. This choice speci.....

This twinned 90ẃ STAUROLITE crystal forms an exceptionally large and very choice FAIRY CROSS. For ye.....

Here is a great specimen of staurolite featuring a sharply defined "fairy cross" in a dark red-brown.....

This specimen demonstrates one of the special properties of staurolite: it can be found as twinned c.....

This specimen demonstrates one of the special properties of staurolite: it can be found as twinned c.....

This specimen is a great example of one of the special properties of staurolite: it is found as twin.....

This specimen demonstrates one of the special properties of staurolite: it can be found as twinned c.....

Here is a very large, very sharp staurolite fairy cross in a dark red-brown color that contrasts nic.....

From a remote mountain in Russia come what are widely regarded as the finest staurolite crystals in .....