What Is Borosilicate Glass?

Double Amber/Purple Borosilicate Glass

The type of glass used in all the cremation jewelry and ash art on this website is called “borosilicate glass”. It’s a specialized and versatile variety of glass developed by Corning, Inc. in upstate New York. It’s far stronger than the “soft” glass that is normally used for beads, ornaments, paperweights, art glass bowls, etc.

It is so strong that it’s been used for everything from stove top cookware to nuclear waste containment. Scientific glassware such as beakers and test tubes are good examples of utilitarian items made of this glass because of its superior strength.

Chemical Composition of Borosilicate Glass

Molecularly speaking, this glass differs from regular “soft glass” in one simple way. Borosilicate glass substitutes particles of boron oxide for the soda and lime particles found in soft glass. The boron oxide “glues” the silicate particles together with aluminum oxide and sodium oxide. Because the boron oxide particles are small, the silicate is bonded together more tightly which results in a much stronger glass.

 

Borosilicate Glass Has A Longer Lifetime

The main reason I prefer to work with this glass is that the finished glass art is much more durable. This is especially important when creating cremation jewelry. This glass is a lot less sensitive to day-to-day mishaps and it can last for generations. Many people have commented on how many “accidents” their cremation jewelry survived without breaking or cracking.

 

Borosilicate Glass Has A Natural Color Palette

The second major reason I prefer this glass is the available color palette. Each color is an organic, living collection of hues that can be manipulated and shaded with careful torch work and kiln annealing. The colors that can be achieved using borosilicate glass are more dynamic and subtle than most soft glass colors. Also, due to the chemically compatible composition of this glass, various precious metals like silver and gold can be used to color the glass in some very unique and amazing ways.

 

Testimonials

Teardrop Cremation Pendant Review by Lisa Kaiser

Dear Mark, after my brother and one of his sons were killed, 3 weeks later my father died also. When I was “surfing” to find some jewelry pieces for their ashes, I just couldn’t find anything that seemed to “fit.” I come from a family of handcrafters and artists so when I somehow came across your web site, I knew I found the place.

As I read what you wrote on your website about the process in creating the pieces, then most importantly you asked to have a photo sent, along with a story about our loved ones so you could think of them while you created the piece, I could barely get through reading it without choking up and crying. I knew you were the one.

Your pieces are so amazing! They are MUCH more than I anticipated. Not only are they gorgeous, but the clarity and FEEL is so right. It was as if you knew we would be touching and holding these pieces forever. Thank you again for making these pieces and thank you most of all for bringing some compassion to something that is very personal to us! I will continue to show off the pieces to everyone I can!!!

Lisa Kaiser

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