A Jeweller’s Guide to Aquamarine: Identification Tips and Jewellery Making Advice
Discover the world of aquamarine, a gemstone as captivating as the ocean it’s named after. With its tranquil blue hues and glass-like lustre, this gem has long been a favourite for jewellers and gem enthusiasts alike. Whether you're crafting a delicate pendant or a show-stopping statement ring, aquamarine offers a unique combination of beauty, durability, and history.
In this guide, we'll explore everything you need to know about this serene stone, from its physical properties and care instructions to design tips and fascinating trivia. Ready to let aquamarine’s charm wash over you? Let’s dive in!
Basic Identification Information
- Name & Synonyms: Aquamarine; also known as "sea water stone" in some cultures.
- Species: Beryl
- Colour Range: Blue to greenish-Blue
- Refractive Index: 1.577-1.583
- Birefringence: 0.005 to 0.009
- Optical sign: Uniaxial-
- Specific Gravity: 2.67-2.90
- Fluorescence: None
- Lustre: Vitreous (A glass-like shine when polished)
- Clarity: Type 1 - usually eye clean
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Gems often mistaken for aquamarine: Apatite, Spinel, Topaz
- Mohs Hardness: 7.5-8
- Wearability: Generally good, but susceptible to fractures if struck.
- Birthstone: March
Common Treatments
Aquamarine often undergoes heat treatment to enhance its blue tones by removing greenish hues. This is a standard practice in the gem world and doesn’t affect its durability or value.
Durability Considerations
Aquamarine is a hardy gem, but it's not invincible. While it can handle a little bit of heat, prolonged exposure to higher temperatures might cause its lovely blue hues to shift, so be careful when polishing a piece after the stone has been set. It doesn’t have cleavage, so no worries about it splitting in half, but watch out for chips along natural fractures—it’s a bit like a sturdy teacup: great for everyday use, but don’t go knocking it about.
Jeweller's Setting Tips
This gem loves a good protective setting—think bezels or recessed designs that cradle it gently. Casting it in place isn't the best idea, as aquamarine wouldn't survive the temperatures needed.
Care Instructions
To keep aquamarine sparkling, a little soap, warm water, and a soft brush works wonders. Avoid ultrasonic cleaners and steamers; they’re usually a bit too intense for this ocean-inspired beauty. Regular cleaning and mindful handling will ensure it stays looking its best for years to come.
Aesthetic & Design Insights
Aquamarine shines brightest in earrings, pendants, and statement rings. It’s perfect for adding a pop of serene blue to your designs, especially when paired with white metals like platinum, white gold or sterling silver. Want to really make it sing? Match it with diamonds or pearls for an elegant, timeless combo. Just be mindful of everyday wear if using it in rings—those edges will need a bit of extra protection.
Market & Ethical Notes
When it comes to value, deeper blues steal the show, especially when paired with excellent clarity. And the good news? Ethical sourcing is common, so you can easily find aquamarines with traceable origins that align with sustainable practices.
Metaphysical Properties
Legend has it that aquamarine was the treasure of mermaids, gifted to sailors as a talisman of protection. Known as the "stone of courage," it’s believed to soothe stress, enhance clarity, and inspire fearless communication. Whether or not you buy into the lore, there’s no denying that wearing one does feels a bit like you're carrying a piece of the ocean—tranquil, refreshing, and utterly serene.
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Fun Facts
Here’s a quirky piece of history: in the 19th century, aquamarine was used for making glasses lenses, especially for those with vision problems caused by the glare of the sea.
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