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Royi Sal Jewelry Designer & Manufacturer

Thailand's Premiere Silver Jewelry Designer & Manufacturer in Bangkok, Thailand. Manufacturing OEM Fine Jewelry for Women & Children at Affordable Prices Since 2001

You are here: Home / News / Gemstone Terms for Starters

Gemstone Terms for Starters

Published on: 07/02/2020 by Royi Sal Jewelry Team - 3 Comments

Gemstone Terms for Starters

If you’re interested in gemology and you want to know your refractive index from your gemstone luster.

And if you’re interested in gemstone terminology, setting stones, and creating your jewelry with them, you’re in the right place. Here are the Gemstone Terms For Starters.

Use our gemstone terms for the starter’s guide below and get to know more about your craft.

 

Gemstone Basic Terms: How to refer cut, shape, and weight

In this section, you’ll discover several technical ways to refer to gemstones when talking about their physical appearance, worth, and shine.

1. CaratGemstone Terms for Starters

Carat refers to the mass of a gem and subsequently describes the value of the stone – the bigger the carat, the more expensive the stone.

 

2. InclusionsGemstone Terms for Starters

An inclusion in gemstones can be a fracture or bubble found within a gem that occurs as the stone forms over time.

Inclusions can mean that the stone itself devalued. However, they can also add more depth and color to the stone, making your jewelry piece more exciting and unique.

 

3. LustreGemstone Terms for Starters

Lustre refers to the way the light reflects off a gemstone, and the quality of light reflected.

This affects the appearance of the stone itself. It classified by certain factors, such as the angle at which light hits the surface and the refractive index of the stone.

 

4. Refractive indexGemstone Terms for Starters

The refractive index is a measurement scale that determines how light passes through a mineral.

When you look at refraction on a more specific, scientific level, it’s the bending of the light as it passes through a dense substance (the gemstone), slowing down and creating a beam of light at a different angle.

 

5. Gemstone’s FireGemstone Terms for Starters

Ever heard a jeweler talk about a gemstone’s fire?

It refers to the way that a gemstone splits white light into a rainbow of colors as it passes through the stone.

This is also known as dispersion and most commonly seen in diamonds.

 

6. Mohs hardness scale

It’s a useful term to get to know in the jewelry making the world as it refers to the hardness of a gemstone or mineral, and how resistant it is to being scratched when exposed to other substances.

 

What is a faceted gemstone?

A faceted gemstone is cut to feature several flat surfaces laid out geometrically to allow the stone to refract light in the most effective way possible, making it gleam and appeal to customers. Learn more about other Gemstone Terms for Starters.

Each flat surface cut into the stone is known as a facet, and depending on where it sits on the stone.

Main facets

Mains are the largest facets cut into a gemstone, usually connected by the table facet.

Table facet

The table facet refers to the large flat aspect on the top of the stone and is often known as the window into the stone itself.

Pavilion facet

This type of facet is cut into the gemstone to reflect light to the customer, enhancing the brilliance of the stone as the light shines through.

Break facet

Break facets are usually connected to the girdle of the gemstone, dispersing tiny beams of light from the center point of the stone.

 

What are the different characteristics of gemstones?

Table

This is the widest point of the gemstone and usually where a claw setting will sit to make the most of the gemstone’s brilliance.

Crown

The crown is the part of the stone between the table and the girdle, which usually sits just above a claw setting.

The term ‘table’ used to describe the flat top of the crown.

The crown of a gemstone typically raised, though some crowns may be cut very high, flat, or even concave.

Girdle

The mid-line of the stone. It is the widest point of the circumference of a gemstone.

It is the perimeter of the stone that separates the gem’s pavilion from its crown. Also usually the point where a stone held when examined.

Girdles may be described as “thin” or “thick”, or they may be more precisely specified as a percentage of the stone’s diameter.

Pavilion

The pavilion is part of the gemstone that stretches from the girdle down to the tip of the stone.

Possibly cut and faceted in may different styles.

Culet

This is the very tip of the stone. The pavilion of stone usually cut with a culet facet.

However, not all gemstones cut with a culet.  Many colored stones are cut to form more of an edge rather than a single point – often referred to as ‘keel-line’.

But when it comes to evaluation and grading, a keel line and a culet considered the same.

 

Now you know your way around a gemstone and could hold your own with any gemologist.  Check out our business advice hub if you’re looking for guidance in learning more about gemology. Gemstone Terms for Starters.

 

Filed Under: News Tagged With: Beginner's Guides, cookson, cooksongold, Gemstone, gemstone jewellery, gemstone jewellery making, gemstones, gemstones jewellery, jeweller, jewellery, jewellery blog, jewellery design, jewellery designer, jewellery making, jewellery making supplies, Jewellery Tips, jewellery tools, precious stones, semi precious stone, semi precious stones, setting stones, stone, Stone Setting, stone setting jewellery, stones, workshop essentials

About Royi Sal Jewelry Team

The secret behind the success of Royi Sal Jewelry is not our creative designs or our high-quality fine and affordable jewelry; it’s not even our constant drive for innovation or the exhibitions we attend. The secret of our success is our people.

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Reader Interactions

Comments

  1. Miley Anderson says

    22/05/2020 at 14:18

    A big clap for ROYI SAL JEWELRY TEAM. This is a very very useful article about gemstones. You dig it.
    Thanks for guiding me more about gemstones.

    Reply
  2. Bijender says

    01/01/2022 at 13:59

    “It is really a nice and informative blog and the content is really precise. I liked your views on gemstones. I will subscribe to it. I am looking forward for more such kind of blogs as they are really mesmerizing. Thanks for such an interesting and wonderful blog.

    Reply
  3. Anita says

    05/01/2022 at 15:09

    Hi Bijender,
    It’s our delight to share the blog post. Thanks for your admiration.
    We will be posting more jewelry news and tips throughout the year.
    Stay tuned. 🙂

    Reply

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