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GEMOLOGY

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What is Cubic Zirconia - rora gems
03/06/2020

CUBIC ZIRCONIA

Cubic Zirconia / Zirconium (CZ)  is an inexpensive diamond alternative with many of the same qualities as a diamond. This crystalline material (or CZ) is synthetic, which means it is created in a laboratory. Due to increased demand, commercial production of CZ began in...
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WHAT IS TSAVORITE GARNET
10/05/2020

LEARN ABOUT TSAVORITE (GARNET)

WHAT IS TSAVORITE? Tsavorite is actually a Green Grossularite Garnet. It is a Calcium Aluminum Silicate (like its sister stone, Tanzanite) with a chemical composition of Ca3Al2Si3O12. Its intense green hues are caused by the presence of Vanadium and sometimes Chromium. The shining green tsavorite is...
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Families of Gemstones
14/04/2020

GEM FAMILIES

Welcome to the family of gemstones.In many cases, gemstone groups are based on physical properties, such as water content or optical phenomena, for example cat's eye gemstones, rutilated gemstones, star gemstones and color change gemstones. Other gemstone groups may be based on more unusual...
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Crystal systems of Gemstones
11/08/2019

GEMSTONE CRYSTAL SYSTEMS

Based on the crystal axes and the angles at which the axes intersect, crystals are divided into seven systems including, Cubic, Tetragonal, hexagonal, trigonal, Orthorhombic, Monoclinic, and Triclinic systems. 1. Cubic (isometric) System ඝනක පද්ධතිය All three axes have the same length and intersect at right...
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What is a Gemstone?
01/06/2018

WHAT IS A GEMSTONE?

Gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (e.g., pearl, red coral, and amber) also are classified as gemstones. මැණික් ගලක් යනු අලංකාරය සහ කල්පැවැත්ම ඇති පොළවෙන් මතුවන දුර්ලභ ඛනිජයකි. A gem, or gemstone,...
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