Category Archives: 3. March Birthstone Tidbits

Patriotic Colorado

Last night our GIA Alumni Association of Colorado got to visit the Colorado School of Mines Geology Museum. It’s the second most visited university museum in the country full of amazing gems and mineral specimens. I learned something new last … Continue reading

Posted in 3. March Birthstone Tidbits, Gemstone Tidbits | Tagged , , , , , , , , | Leave a comment

Is it topaz or aqua?

In my previous post I talked about a woman who clearly thought the moissanite she bought in the Caribbean was really a diamond. I decided after meeting her that I would always have a loupe in my purse in case … Continue reading

Posted in 12. December Birthstone Tidbits, 3. March Birthstone Tidbits, Gemstone Tidbits | Tagged , , , | Leave a comment

World’s Largest Aquamarine

I couldn’t let March slip by without showing you this fantastic aquamarine. You should have heard the gasp in the room when we first saw this stunning piece. This is the world’s largest cut aquamarine from Minas Gerais, Brazil. The … Continue reading

Posted in 3. March Birthstone Tidbits, Gemstone Tidbits | Tagged , , , , | Leave a comment

From $15k to $125k in 8 short years

I love the story behind this awesome aquamarine crystal. This crystal weighs about 5 pounds and is among the largest, most beautiful aquamarine crystals I’ve ever seen. The owner of the crystal has a beautiful collection of mineral specimens now, … Continue reading

Posted in 3. March Birthstone Tidbits, Gemstone Tidbits, Jewelry Industry Tidbits | Tagged , , , | Leave a comment

This Amazing Aquamarine…

I hope everyone had a blessed holiday season. I wish you prosperity and good health for the new year. I mentioned in a previous post that I have the privilege of touring the gem and mineral collection at the Smithsonian … Continue reading

Posted in 3. March Birthstone Tidbits, Gemstone Tidbits | Leave a comment

Aquamarine Treatments

Nearly all of the blue aquamarine found in the market today has been heat treated. These aquamarines come out of the ground a bluish green, greenish yellow or even brownish yellow. The heat treatment removes the yellow color to yield … Continue reading

Posted in 3. March Birthstone Tidbits, Gemstone Tidbits | Tagged , , | Leave a comment

Aquamarine’s Crystal Structure II

My previous post addressed the variety of different aquamarine crystal shapes. This fantastic photo I took of an aquamarine crystal cluster perfectly demonstrates aqua’s typical crystal structure. On the left you can see multiple crystals showing the columnar structure of … Continue reading

Posted in 3. March Birthstone Tidbits, Gemstone Tidbits | Tagged , , | Leave a comment