How to distinguish between genuine and imitation topaz

Topaz is a wonderful semi-precious stone, the birthstone of November, and blue topaz is the birthstone of December. Each type of topaz has an anniversary that it represents; Meaning that blue topaz represents the fourth anniversary, while imperial topaz represents the twenty-third anniversary. Topaz is one of the strongest silicate minerals, and one of the hardest minerals in nature (how is topaz formed). It is a very popular stone in jewelry field. In the past, this stone was closely associated with the color yellow, and all yellow-golden stones were called topaz. Natural is called “precious and imperial topaz”, while imperial topaz is a pinkish shade of topaz that was discovered in Russia in the 19th century. Imperial topaz is now extracted from the topaz mines in Minas Gerais, Brazil.

. As the tourmaline stone floats while the topaz stone is dipped in water.

You can also examine the topaz stones to distinguish them through the use of a microscope and note their structure.

As for the glass pieces It is difficult to distinguish them from topaz stones, but with the presence of modern equipment and new machines, it is possible to distinguish between them by Use of the polariser

. In addition, the glass does not show any refractive index or double .

There are other rare gemstones similar to topaz such as danburite and andalusite. and apatite. And

all these stones float in methylene iodide, while topaz is dipped in it    the stones The three. In addition, there is apatite and it also overlaps with topaz but it can be distinguished from it because Apatite is a monolithic stone the hub. If the test stone is attached to a stand, news readings may be required

using a monochromatic light source Light through a lamp or filter

to separate other possibilities.

Natural Topaz Stone Jewelry Appearance

, but yellow topaz indices reach 1.629- 1. 637. However, the midpoint (beta indicator) is 0. from a low reading, and therefore the low reading is relatively constant.

The stones that overlap with topaz are not restricted to those named, as topaz and peridot are frequently misidentified. Both stones are sometimes confused merely because their refractive indices are roughly two units of separate line 1. 58 on the refractive indices scale. When reading the signs, it is simple for a person to make a mistake, especially if he is in a rush. He may interpret the topaz indicators (1).62) as aquamarine indications (1.60 ). This occurs when the inexperienced individual doing the test looks at the topaz stone and believes it is peridot, causing its signs to drop and become equal to the indicators of aquamarine (1.637 ).

The properties of topaz play an important role in distinguishing it from other stones; Where it represents the liquid to a large extent and the gas that fills the cavities that contain two immiscible liquids, in which gas bubbles appear that accompany the liquid and that have