Description: Precision instrument grade ruby balls in 12mm diameter with a tolerance deviation of ± 100 µm (11.9mm-12.1mm). Please consult the photo for the exact ball size - it is the ball on the right (the other ball is a 16mm ball that we also sell). These are excellent for severe environments. They have a high temperature working range, high strength, high hardness and high chemical stability. Mohs Hardness Scale: 9 The listing is for individual 12mm synthetic red ruby corundum round beads with no hole. These will work exceptionally well for scientific, recreational and artistic purposes. We have the capability to produce a wide range of balls in various sizes and materials. Please contact us directly for custom orders and quantities. *The free shipping option ships out in a normal envelope without a tracking number*
Price: 24.49 USD
Location: Boulder, Colorado
End Time: 2025-01-08T16:17:37.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Brand: Unbranded
Gemstone Type: Ruby
MPN: Does Not Apply
Gemstone Creation: Lab-Created
