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Lauréline Colliard FGA

FGA Gemmologist, graduate of London's prestigious Gem-A Academy (and former lead 3D animator in the video game industry). Her focus is on research, the ethics of gemstones and their environmental and social impact, and the protection and education of gemstone buyers and enthusiasts.

Gem 101: The Most Common Treatments

Gem 101: The Most Common Treatments

Gemstone treatments are designed to improve quality and appearance. These techniques, such as heat treatment, irradiation and filling, have been used for centuries. It is essential for a gemmologist to understand these treatments in order to accurately appraise gemstones. When purchasing, it is advisable to ask for a certificate of authenticity to find out what treatments the stone has undergone. If in doubt, consulting a professional gemmologist is the best option for personalized advice and detailed information. Mastering these treatments allows you to fully appreciate the beauty and value of precious stones. So what are the most common treatments?

12 Pastel Pink Gemstones

12 Pastel Pink Gemstones

In the vast family of colors, pastel pink evokes softness and timeless elegance. This enchanting nuance extends far beyond simple paint palettes and clothes. Discover a sparkling universe where pastel pink takes shape in nature’s most prized treasures: precious stones and gems. Gems such as kunzite, morganite, rose quartz and many others offer a delicate beauty that is both resistant and appreciable. These pastel pink gemstones are ideal for adding a subtle touch of color to your jewelry and everyday life.

Jet: Properties, Uses and Virtues

Jet: Properties, Uses and Virtues

Jet, a deep black gemstone, is formed in environments rich in organic matter. Used to create jewelry and decorative objects, it is associated with protection and the elimination of negative energies. Despite its fragility, jet can be polished to enhance its lustre. It is found in various parts of the world and has a long history of use in different cultures. Today, jet is used in lithotherapy and contemporary jewelry. Regular cleaning with a soft, damp cloth is essential to preserve its beauty and integrity.

Obscure Gems Quiz: Which Unknown Stone Are You?

Obscure Gems Quiz: Which Unknown Stone Are You?

Welcome to all mineral treasure seekers! Dive into the mystery to discover which obscure stone resonates with you. Whether you’re hidden like a gem or precious but little-known, this quiz invites you to explore forgotten gems. Get ready to shine on this sparkling adventure! ??
Which stone are you? Share your results and shine!

The 16 Precious Stones That Hate Your Perfume!

The 16 Precious Stones That Hate Your Perfume!

The top 16 gemstones that hate your perfume! Gemstones are sensitive to perfumes and chemicals due to their porosity and chemical composition. Porous gems, such as amber, calcite, coral and malachite, risk losing their brilliance, color and even structural integrity when exposed to these substances. Stones with a low hardness on the Mohs scale are generally more porous and sensitive. So how do you deal with them?

Rhodochrosite: Properties, Uses and Virtues

Rhodochrosite: Properties, Uses and Virtues

Rhodochrosite forms in manganese-rich environments, mainly in South America, Europe and Asia. It promotes emotional harmony and offers a range of colours from pale pink to bright red. Its deposits are found in Colorado, Peru, Argentina and South Africa. Despite its low hardness, rhodochrosite possesses beneficial metaphysical properties. However, it is fragile and requires meticulous care to preserve its natural beauty. Synthetic versions and imitations exist, but it’s important to recognize the genuine article to enjoy it to the full.

Pyrite: Properties, Uses and Virtues

Pyrite: Properties, Uses and Virtues

Pyrite, a brilliant golden mineral associated with energy, prosperity and protection from negative influences, forms in iron- and sulphur-rich environments such as hydrothermal zones and marine sediments. It is found throughout the world and its history dates back to ancient times, when it was used for a variety of artistic, ritual and even industrial applications. Despite its resemblance to gold, pyrite offers unique properties. It is relatively hardwearing, but requires careful maintenance to preserve its beauty. Natural pyrite is rarely imitated because of its abundance. Look after it carefully to get the best out of it.

20 gems NEVER to wear at the pool

20 gems NEVER to wear at the pool

Summer is approaching, and with it the call of sparkling pools. However, it is essential to protect your precious jewels from chlorinated water. Some stones, such as amber, apatite and calcite, are particularly sensitive and can deteriorate. Avoid immersing organic gems such as coral or shells. Although some stones, such as pyrite, appear stable, they can react negatively to chlorine. So what are the 20 gems you should never wear to the pool?

TOP 10 Strongest Gemstones: Zero (or Almost Zero) Risk of Breakage!

TOP 10 Strongest Gemstones: Zero (or Almost Zero) Risk of Breakage!

The world’s 10 strongest and toughest gemstones are ranked according to their toughness and durability. Jade jadeite takes first place, followed by nephrite jade and polycrystalline quartz. Despite their slightly lower hardness, lapis lazuli and moissanite are also very resistant. Chrysoberyl, sapphire, ruby and spinel round off this impressive ranking. These stones are not only beautiful, but also extremely durable. So the next time you’re looking for a gemstone, keep this list of rock-solid gems in mind!

Obsidian: Properties, Uses and Virtues

Obsidian: Properties, Uses and Virtues

Obsidian, a unique variety of volcanic glass, has a hardness of 5 to 5.5 on the Mohs scale. Appreciated for its aesthetic appeal and metaphysical properties, it is considered to possess anchoring energy and promote emotional healing. Varieties include snowflake, fire, apache tear, gold, silver, celestial eye and mahogany obsidian. Prized for its rarity and history, it is still appreciated for its metaphysical properties and artistic value. Clean regularly with lukewarm water and a soft cloth, avoiding harsh chemicals, and take precautions when wearing obsidian jewelry.

Agate Moss: Properties, Uses and Virtues

Agate Moss: Properties, Uses and Virtues

Moss agate is a precious variety of agate and quartz with a rich history from ancient Greece to the present day. Its metaphysical properties make it ideal for meditation, promoting mental clarity and inner peace. This gem, mined in various parts of the world, is prized for its durability and strength. Its variety of colors and distinctive inclusions make it unique. With regular care, moss agate continues to radiate its timeless beauty. Popular with jewellers and collectors, it continues to fascinate with its natural splendour.

Labradorite: Properties, Uses and Virtues

Labradorite: Properties, Uses and Virtues

Discover Labradorite, a mystical and captivating stone with shimmering sparkles of different hues. Originating from silica-rich magmatic rocks, it is renowned for its metaphysical properties, promoting energetic protection and spiritual balance. With a hardness of 6 to 6.5 on the Mohs scale, it is robust but prone to fracture. To preserve it, clean with lukewarm water and a soft cloth, avoiding harsh chemicals and direct sunlight. Labradorite offers natural beauty and soothing properties, giving it a special place in the world of gemstones.

Rhodonite: Properties, Use and Virtues

Rhodonite: Properties, Use and Virtues

Rhodonite is a pink gemstone formed in specific geological environments. Recognized for its metaphysical properties promoting unconditional love and emotional balance, it comes in colors ranging from pink to opaque reddish. Rhodonite is relatively well-suited to jewelry-making, although its fragility requires careful handling.

Kyanite: Properties, Uses and Virtues

Kyanite: Properties, Uses and Virtues

Kyanite, an aluminum silicate formed in metamorphic rocks, has metaphysical properties and a varied color palette. However, its fragility means that it is rarely used in jewelry. Appreciated by collectors and renowned for promoting mental clarity, Kyanite can be preserved by regular cleaning. Its mystical history and different colors make it an intriguing gem.

Malachite: Properties, Uses and Virtues

Malachite: Properties, Uses and Virtues

Malachite, a stone of dazzling beauty and fascinating history, is a natural treasure that has captivated mankind for millennia. Let’s delve into its geological history, historical significance and metaphysical properties, as well as ways to preserve and appreciate its splendor. Discover this jewel of nature!

The Ultimate Opal Jewellery Buying Guide: Keep it safe!

The Ultimate Opal Jewellery Buying Guide: Keep it safe!

Welcome to the ultimate opal buying guide! With its captivating variety of colors and rich history, opal is a unique gem. Discover how it is formed, its types and the precautions to take when choosing and caring for opal jewelry. Get ready to add a touch of sparkle and color to your outfits!

Amazonite: Properties, Uses and Virtues

Amazonite: Properties, Uses and Virtues

Amazonite, a gem with a soothing, enchanting hue, is of interest to mineral enthusiasts and spiritual seekers alike. Its fascinating geological formation, historical discoveries and metaphysical properties continue to inspire and amaze. Discover the beauty and power of this gem connected to millennia of legends and traditions.

Pearl necklaces: All you need to know!

Pearl necklaces: All you need to know!

The pearl necklace, a timeless symbol of elegance and prestige, has a fascinating history combining tradition and modernity. From ancient origins to innovative manufacturing techniques, each pearl tells a unique story. Practical advice on choosing, caring for and storing these precious jewels will help you appreciate their lasting beauty.

15 rare engagement stones that won’t break the bank!

15 rare engagement stones that won’t break the bank!

Looking for an elegant and affordable alternative to traditional diamonds for engagement rings? Discover 15 captivating rare stones, such as Tsavorite Garnet, Imperial Topaz and Watermelon Tourmaline, offering exceptional beauty without emptying your bank account. What’s more, modern alternatives such as synthetic stones and second-hand rings are ethical options full of character.

Gem 101: Gem porosity

Gem 101: Gem porosity

In this beginner’s guide, we explore the significance of gem porosity, its importance and its influence on the appreciation and care of natural treasures. Whether you’re an experienced collector or a hobbyist, this guide will provide you with invaluable information. Get ready to see these gems in a whole new light.