Tag Archives: gemstone

Marc Aronstam on gem stone color

Color is by far the most highly touted virtue of gem stones. When you see a beautiful cornflower blue sapphire, or a gorgeous Granny Smith apple green peridot, what attracts you most are the deep colors of the stones. When jewelers determine the quality of a gem stone based on its color, they talk about…

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Marc Aronstam on: gemstone hardness versus toughness

The more you know about gemstones, the better you understand and appreciate the gem stones in your personal jewelry collection. That’s why I’d like to blog about two properties of gem stones you often hear about: hardness and toughness. Although they sound similar, hardness and toughness of a gem are two separate, unrelated physical characteristics…

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Marc Aronstam on: Judging gemstone brilliance

There really is nothing quite like staring at a brilliant diamond as it reflects fire and light and scatters a rainbow of colors across a room. But what are you really talking about, when it comes to discussing a gemstone’s “brilliance?” Scientifically speaking, when light enters a gemstone, it can either be reflected back out…

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May’s birthstone: the lovely emerald..green fire.

I first got turned on to emeralds in Munich, Germany, while walking through a museum housing some of the most fantastic pieces I had seen. I remember being in a short passage (lined with cases of incredible jewelry) and glancing to my left seeing green fire. The emerald in the collection was a square emerald…

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Meet Tracy, Aronstam’s on-premises graduate gemologist – She’s a gem!

Tracy is all about the inner – and outer beauty of our gemstones. As a graduate gemologist from GIA, she’s trained to use some of our more technical instruments. The most valuable and useful instrument to any gemologist is the microscope. Your average jeweler’s loupe has a 10x magnification.  Our microscope allows her to see…

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Now at Aronstam Jewelers: Tourmalines, Peridots, Citrines, Garnets and more!

I don’t think I’ve ever had quite this variety of rare colored and beautifully cut gemstones in my showroom before now. The reason? I’m just back from the Tucson Gem & Mineral Show, and I find the highest quality stones, the most beautiful cabochon cuts, and the most extravagant colors, all right there at the…

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Marc Aronstam asks, “What defines YOU?”

My grandmother had a charm bracelet. Maybe yours did, too. As a kid, I loved to look at the charms, asking where each came from and hearing the stories. So I felt a strong sentimental pull when I first took a look at The Heather B. Moore collection of personalized jewelry. Heather Moore takes “charms”…

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I want to change the way you think about opals at the Aronstam Opal Show, Thursday October 11th

I’ve always been a huge admirer of opals, which is why my friend Roger flies to Indy each fall to showcase the best and the brightest opals Australia has to offer. Come to the Aronstam Opal Jewelry Show Thursday October 11th and I promise that you will change your thinking about opals. Especially if your…

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Why a blog about Aronstam Fine Jewelers?

My work as a custom jewelry designer and as the owner of Aronstam Fine Jewelers over the past 45 years or so has given me an amazing perspective on those I serve. I’ve noticed how my customers express themselves through what they wear, what details are important to them, and how they choose special jewelry…

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