Quartz, Santa Cruz Co., Arizona, USA, Cabinet-Sized SpecimenApprox. Dimensions: 3. 09 in x 2. 31 in x 1. 4 in Approx. Weight: 187 grams This Japan Law Twin Quartz is a rare and beautiful example of the twinning phenomenon in which two twinned crystals cleave to one another at or near ninety degree angles. The two largest crystals of this specimen exhibit this cleavage, with other crystals also exhibiting twinning. Clear Quartz with hints of brown and a glassy luster.

8 in x 2 in x

Smoky gray and Amethyst purple combine in this ambient beauty of Quartz

Weight: 105 grams

The centers have a white

Crystals are translucent in this miniature-sized specimen

Weight: 83 grams

The acicular crystals fan out in circular and repeating patterns

The clockwise twist of the crystals adds an intriguing aspect to the already intriguing nature of this Quartz

The cubic shape of its cleavage and its inter-grown cubes create a neat and fascinating appearance referred to as penetration twins

Clear Quartz with hints of brown and a glassy luster

Clusters of light brown Pyromorphite in matrix make up this specimen

Weight: 805 grams