Call Us: 1-866-354-0894

Girasol Opal

Girasol Opal


Here is something new at the Rock Shed in the crushed rock division. This is some very nice, high quality Girasol Opal. It comes in sizes from 3/4″ to 1 1/2″. Girasol Opal is Quartz with an opalescent hue. This rock is great for the rock tumbler, use it as is for fountains or other decorative uses.

MOHS hardness scale of 7


Quartz is the second most common mineral in the Earth’s continental crust. It is mainly composed of Silica or Silica based minerals. Although Quartz is known by a variety of names, the most important distinction between types of Quartz is that of macro-crystalline, individual crystals visible to the unaided eye, and micro-crystalline, where aggregates of crystals are only visible under high magnification. There are many forms of Quartz including Chalcedony, Amethyst, Citrine, and Carnelian which are results of mineral impurities or heat treatments.rism in transmitted light.

Additional information

Bag Size

1 Lb Girasol Opal, 2 Lbs Girasol Opal, 3 Lbs Girasol Opal, 5 Lbs Girasol Opal

Contact Us

515 1st Street
Keystone, SD 57751

Order: 1-866-354-0894
Information: 605-666-4813

Find Us On Social