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Moonstone
What is Moonstone Gemstone? Value, Price, and Color
Explore moonstone’s value, meaning, and properties. Discover why this gem’s shimmering beauty makes it a top jewelry pick!
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Are Moonstones Expensive?
Rings with natural moonstones. Photo credit: Shutterstock/AnaKle
The gentle, billowing light that shines from within moonstones is one of the...
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Moonstone Symbolism
With a silverly light that seems to come from within, moonstone has many associations with the Moon. While you certainly...
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Moonstone Buying Guide
With sheen reminiscent of moonlight, moonstone is treasured across civilizations. Our moonstone buying guide can help you pick one perfect...
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Exclusive: IGS Reveals the Most Popular Gemstone by State for 2023
Join us as we unveil the most coveted gemstones that have captured the hearts of residents in every corner of...
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24 Gray Gemstones (How Many Do You Know?)
Nothing communicates quiet luxury like jewelry set with gray gemstones. Regardless of size, gray gemstone jewelry is incredibly versatile and...
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Opal Simulants: How to Spot Imitation Opal
How can you be sure that a piece of opal for sale is genuine? Learn about the major types of...
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List of False or Misleading Gemstone Names
A list of False or Misleading Gemstone Names and its Actual Gemological Name. Gathered by the source "Gemstones of the...
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Gemstones with Health Benefits
Since ancient times, people have believed gems could have healing properties. Let’s take a look at some popular gemstones with...
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Phenomenal Gems: Cat’s Eyes, Star Stones, and More
Phenomenal gems seem to do magical things with light. Learn the science behind optical effects like cat’s eyes and star...
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Advice for Preforming Gemstone Rough for Maximum Yield
To pick the right cut for a gem, you need to figure its maximum potential shape. Preforming gemstone rough is...
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10 Rare Engagement Ring Stones that Won’t Break the Bank
Not all rare gemstones cost a fortune. If you’re looking for something different but affordable for your wedding, here are...
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37 Blue Gemstones (Names, Pics, & More)
Symbolic of sea and sky, blue has always been a popular color for gems. Learn how to assess color in...
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A Guide to Belle Époque Jewelry
Belle Époque jewelry combined opulent but graceful metalwork with a variety of gems. Learn more about this style and how...
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Identifying Inclusions of Specific Gems
Some natural as well as synthetic gems have specific, characteristic inclusions. Learn the identifying inclusions of some of the most...
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Common Gemstone Treatments Cheat Sheet
There are so many common gemstone treatments available today that keeping track of them can be difficult. This list and...
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Denver Gem & Mineral Showcase 2017
With over 900 vendors and numerous geologic rarities, the 2017 Denver Gem and Mineral Showcase had plenty to see. Read...
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Table of Gems Ordered by Crystal System
This table contains a selection of minerals gemologists may encounter as jewelry stones or gem specimens. The gems are sorted...
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Antique Engagement Rings
You can find many amazing antique engagement rings from a variety of time periods. Before you shop, learn more about...
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Raw Stone Jewelry Design and Care
Raw stone jewelry is trending. Read this article for tips on incorporating raw stones into your jewelry designs and cleaning...
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Gemology Cheat Sheets
These gemology cheat sheets review gem color and clarity grading, specific information on evaluating diamonds and opals, and basic gem...
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What are Crystal Systems and Mineral Habits?
Crystals have habits. In crystallography, mineral habits refer to the way crystals form within a specific mineral. There are six...
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Lapis Lazuli Symbolism
How do you say “love me” with a stone? Learn about lapis lazuli symbolism and legends. This beautiful blue mineral...
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Bridal Jewelry Trends in 2024
Brides in 2024 are expected to be some of the boldest yet. Trend forecasters have revealed that brides will be...
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Clarity Grading for Colored Gemstones
Don't underestimate the importance of clarity, one of the Four Cs of gemstone grading. For faceted gems, basic clarity grading...
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A Guide to Late Victorian Aesthetic Period Jewelry
Late Victorian Aesthetic Period jewelry marked a turn from weighty opulence to more delicate designs. Learn more about this popular...
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What are Gem Species and Gem Varieties?
Gem species are mineral species prized for their durability and beauty. Learn how chemical formulas and crystal structures define species...
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Alternative Birthstones
Not happy with your birthstone? Explore these alternative birthstones associated with astrological signs, angels, the hour or day of your...
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Specific Gravity Values of Selected Gems
Measuring specific gravity helps gemologists identify gemstones. The following table lists the specific gravity values for a variety of gem...
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Grading Gem Carvings
Gem carvings are judged on material, workmanship, and artistry. Learn how to apply these criteria to a piece with our...
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Engagement Ring Guide: Know Your Options
Looking for something besides the classic round white diamond? Our engagement ring guide will help you find the alternative gem...
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Table of Refractive Indices and Double Refraction of Selected Gems
Refractive indices and double refraction (birefringence) help gemologists identify gems. The following table lists these values for selected gemstones.
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Why All Gem Designs are Compromises
All gem designs balance multiple factors that affect the stone’s appearance. Before tweaking a design, consider the overall goal for...
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Outdoor Proposal Ideas: A Quick Guide
Proposing in the great outdoors can be a wonderful experience. If you're looking for some outdoor proposal ideas and inspiration,...
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Gemstone Hardness and Wearability
Gemstone hardness measures resistance to scratching. A gem's wearability grade takes hardness into account, but it’s only one of many...
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Engagement Ring Setting: What’s Your Style?
Choosing a setting is the most important decision when shopping for a ring. Read about your options in this comprehensive...
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Vintage Engagement Rings: Guide to Four Eras
Vintage engagement rings come in many different styles, but designs from four eras are very popular today. Learn more and...
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What is my Birthstone?
The idea of a single birthstone for each month is a modern idea with a long history, but today's consumers...
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A Guide to Gem Cutting Styles
Gem cutting styles refer to the shape and arrangement of facets. The three most basic styles are brilliant, step, and...
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Gemstone Toxicity Table
Gem faceters and jewelry enthusiasts alike should learn about gemstone toxicity. This table has toxicity ratings for 280+ gems, based...
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Mineral Cleavage Testing: A Practical Guide
Cleavage testing is an important procedure for mineral identification. Learn what cleavage means and how to test mineral samples.
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21 Pink Gemstones (How Many Do You Know?)
Pink gemstones are becoming more popular, especially for engagement rings. Here are 21 examples for every budget and style.
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Helping Clients with Inherited Gemstones and Jewelry
Gem dealers are often their clients' most trusted advisers on gem matters. Learn how to help your clients with inherited...
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Labradorite Value and Marketing Issues
What is it? Andesine? Labradorite? Well, let us ask Jeff about the Labradorite Value and Marketing issues and get things...
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Gemstone Magnetism: The Forgotten Property
Although gemstone magnetism isn't commonly tested, it can help gemologists distinguish similar looking gems. Learn how to analyze this property....
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Gem Price Guide
A guide for the price of various gemstones that is based on various sources for commonly traded goods. However, gems...
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Tourmaline Engagement Rings: the Ultimate Guide
Thinking about a tourmaline engagement ring? Learn everything you need to know to buy your perfect gem, from hardness and...
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Understanding Gem Synthetics, Treatments, And Imitations, Part 4: Synthetic Gemstone Guide
Many varieties of gems besides diamond can be created in the laboratory. Our synthetic gemstone guide covers many examples and...
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