citrine

Current Value of Citrine Based on Color, Cut, Clarity and Weight

This is a source of information on tips and guides for Citrine faceting. A Citrine is a yellowish – yellow gold or yellow green variety of a Quartz.…

This is a very, very dark color for a citrine (Ox Blood Citrine)…darker than the common madeira material that I have come across. Also, darker…

This is an extremely brilliant Madeira Citrine stone with a rich orange color. I’ve cut this one as a barion design with an extra row of sixteen…

Although gemstone magnetism isn’t a commonly tested gemstone property, it may be useful for making quick separations outside the lab. By Richard…

  Scratch testing can help determine the Mohs hardness value of a mineral sample. If done carefully, this procedure can help mineralogists…

In this article, we will discuss phyllosilicates and tectosilicates. These silicate subclasses include minerals crucial for technology and…

Silicates are the largest mineral class, making up over 90% of the Earth’s crust and mantle. Statistically, you are more likely to encounter…

We tend to take light for granted. It’s such a common thing we experience every day. Rarely do we think of the scientific definition of light…