Blog Archives

Gemstone spotlight: Moonstone

Name: Moonstone Moh Hardness Scale: 6 – 6.5 Specific Gravity: 2.56 Refractive Index: 1.518 Colours: Brown, Green, Orange, White and Pale Blue. This gem derives its name from the unique play of light from its surface. This is termed phenomena …

Gemstone spotlight: Spinel

Name: Spinel Moh Scale Hardness: 8 Specific Gravity: 3.54 – 3.63 Refractive Index: 1.762 Colours: Vast range – Blue, Red, Violet, Green, Pink and Orange Spinel is beautiful, fine gemstone that in the past was mistaken as a variety of corundum, i.e. …

Gemstone in the spotlight: Sphalerite

  Name: Sphalerite Moh Scale Hardeness: 3.5 – 4 Specific Gravity: 3.9 – 4.1 Refractive Index: 2.37 Colours: Yellow, Red, Orange, Green. GIA Gem Type: 2   The obscure gemstone Sphalerite is notable for its brilliance of light dispersion, …

Birthstones

The tradition of assigning magical powers to gemstones and of associating them with the months of the year is very old and differs from culture to culture. Today, probably the most widely accepted is the following modern “birthstonelogy”: January: …

The gems hobby-business ran with love

Seller: sungems Name: Heleen Rossouw Heleen describes her bidorbuy selling venture as a “semi-full-time-hobby-supplementary-income business”. Her main income derives from a family-run company in the services industry, the Cape Town based Enviro-Safe Pest …