|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
MINERAL GEM WORLD
CRYSTAL WITH INCLUSIONS
This is a natural untreated crystal from Brazil showing great terminations with a fiborous inclusion in the base-great specimen.
Weight 70.60 cts app
Size 46 x 18 x 11 mm app
Quartz grows in many environments along with many different minerals. These minerals, as well as watery solutions and gas bubbles, can be enclosed by the growing crystal.
Many minerals that would otherwise be chemically altered or dissolved when the local conditions change are protected from aggressive chemical agents when they have been embedded inside quartz crystals. Likewise, fragile minerals that are very soft, crumbly or that occur as fibers or thin needles survive inside. Other partially embedded minerals might get dissolved at a later stage and leave ghostlike hollow forms behind.
There are basically three ways inclusions can "get into the crystal":
The Gemstone Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.
|Starts||3rd Jul 2011 8:01pm PDT|
|Registered Shipping||$16.00||21 days|
|Shipping Insurance all providers $7.00 (optional)|