Article 12 May 12,2020 Gemstones in general may have one of three electrical properties: one is conduction, another is piezoelectric,...

Rose Quartz, in general, refers to pink varieties of mineral Quartz. It can usually be found as anhedral crystals near hydrothermal...

Opals are a wonderful gem because the individual opal has all the colors of the rainbow. The inclusions are described as flashes, sparks,...

The Nature of Gemstones By Arthyr Chadbourne Gemstones From the dawn of mankind many cultures have been drawn and have contributed to the...

Crystal skulls refer to carving made from “rock crystal”. The variety of crystal skulls made of crystal other than milky quartz evinces a...

Raw crystals are found without an easily recognizable form although the science of crystallography helps us understand the optical...

Tourmaline is a crystal boron silicate compounded by elements aluminum, iron, sodium, magnesium, potassium, or lithium. Although...

Zircon is a naturally occurring crystal called zirconium orthosilicate. As a commodity, zircon’s sold as zirconium although other...

Australian sapphires are mined near Queensland at Anakie. Historically, Australia produces a deep blue gem which is easily recognizable....

Topaz has a relatively low index of refraction, so while it may show more sparkles than a cut quartz, topaz with large facets will not...