Ruby, Round, 1-3mm Mixed Sizes, Pack of 25

Description

Ruby is the red variety of the mineral corundum, easily identifiable by its deep crimson colours, caused by the presence of chromium in the corundum.

Varying from transparent to fully opaque in clarity, rubies can often contain needle like inclusions, and are usually heat treated to improve the overall colour and clarity of the stone.

The birthstone for july, ruby has generally been known as the stone of passion and protection and is excellent for balancing emotions and encouraging courage and motivation.

These round faceted ruby stones consist of a pack of 25 and are of mixed sizes varying from 1mm to 3mm.

Please note the image is an indication only and individual packs may vary.

Ruby has a hardness of 9 on the Mohs scale and a specific gravity of 4.00.

Please note that due to the nature of the stone, each stone is unique so colours will vary and natural inclusions and zoning may be present.

Care: As with all gemstones, care must be taken. It is not advised to place ruby stones in an ultrasonic, steam cleaner or chemical cleaning solution. Ruby can be easily cleaned with a warm soapy water mix or an untreated cloth.

It is advised to avoid exposing ruby to prolonged periods of heat and light.

A slight tolerance of +/- 0.25mm should be expected with these stones and these rubies are sold in packs of 25.

Cooksongold Ruby is sourced from: Thailand, Myanmar or Mozambique.

Rubies and Sapphires purchased from Cookson Precious Metals Ltd are natural and heat treated.

Catalogue Page Number p157