“Topaz” was gotten from the sanskit word “tapas” which signifies “fire”. All through history, topaz has been utilized to depict yellow to orange gemstones. Today so much blue topaz is accessible that a few people may consider topaz a blue jewel.
Colors: Yellow, orange, pink, blue, darker, vapid and red
- R.I.: 1.60 – 1.64
- Durability: Fragile, has cleavage
- S.G.: 3.50 – 3.57
- Treatment: Irradiation and warming of a few hues
- Hardness: 8
- Availability: Some hues bottomless, red is extremely uncommon
- Localities: Brazil, Pakistan, Mexico and Nigeria
- Price: Low to costly
- Regular shapes: Blues in all shapes; different hues in ovals, pads and emerald cuts
The most costly shades of topaz will be the uncommon red and extraordinary pink hues and a portion of the brilliant orange hues. Fine orange shades of topaz are called Imperial topaz; they may have auxiliary shades of darker or reds.
Topaz is a pearl that is all the time eye clean, so stones with great lucidity are accessible. The red shading can be a strawberry tint: these are very elusive and will charge the most noteworthy cost. Profound pinks can be uncommonly lovely. Pink topaz is mined in Pakistan. Pink stones are additionally accessible from Brazil; however the majority of these stones have been warmed from orange material. It won’t be anything but difficult to locate the red and profound pink hues; if the shading is extreme, hope to pay a costly cost for every carat. Pastel pinks are additionally accessible. These rarer topaz hues by and large are found in stones under ten carat sizes.
Royal topaz hues are less demanding to discover and direct cost per carat costs will be requested fine quality stones. Darker hints will bring down the esteem. Pale oranges and golds in littler sizes might be found in the low cost per carat run.
Dark colored topaz is accessible however there isn’t much interest for it. Some darker topaz tends to blur in daylight. Dark colored hues could be a result of illumination. Smoky quartz is regularly wrong called “smoky topaz”. Dark colored shades of topaz will generally fall into the low cost per carat run. Dark colored and vapid topaz precious stones can extend is measure from little to substantial; so any size pearl is conceivable. There is little interest for darker or drab topaz.
Blue topaz is found in nature yet it is for the most part very pale in shading and is once in a while accessible in completed gemstones. The majority of the blue topaz discovered today has been illuminated and warmed from dull or light darker topaz. The shading is steady and won’t blur. Under outrageous warmth blurring could happen, however it is improbable you will put your illuminated blue topaz in your self-cleaning broiler cycle. Topaz can be dealt with by different types of light and an assortment of shades happen, which are called sky blue, super blue, London blue, Swiss blue et cetera. Blue topaz can be found in any size or shape and falls into the low cost per carat gathering.
Topaz is the standard diamond for the hardness of 8 on Moh’s scale, therefore it is hard to scratch. Be that as it may, topaz is weak and has consummate cleavage. The treated stones chip decently effectively. Topaz ought to be set into defensive mountings.