What Is 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.

Borosilicate glass 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 borosilicate glass because of its superior strength.

Chemical Composition of Borosilicate Glass

Molecularly speaking, borosilicate 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 borosilicate glass is that the finished glass art is much more durable. This is especially important when creating cremation jewelry. Borosilicate 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 borosilicate glass cremation jewelry survived without breaking or cracking.

Borosilicate Glass Has A Natural Color Palette

The second major reason I prefer borosilicate 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 borosilicate glass, various precious metals like silver and gold can be used to color the glass in some very unique and amazing ways.

Testimonials

Not sure why it entered my mind today to send you a message, but I wanted you to know how special the cremation pendant you made for me is. My beloved cat Olivia died on October 4, 2009 and you made the pendant for me shortly after that.

I don’t even know how to describe the reactions I get to it. From anyone’s perspective, it appears to be just a simple glass pendant. But people comment on it CONSTANTLY. I am not kidding. In the bank, in stores, etc. The person who asks is almost always someone who needs to talk about their pet they have lost. I am not new age-ish at all, but it is like it has an energy that reaches out to those who need it.

My mother and I travel together a lot, and she is actually weary of people commenting on it and my talking to them (she says “I know this story and walks away!), but even she concedes that God is putting me in the right place at the right time for people to notice it that need to talk. It frequently leads to a “dead cat/dog cry-fest” ? but is cathartic for both me and the person who asked about my necklace.

So, I just wanted you to know how much it means to me. It is my most cherished possession and I wear it almost daily. Thank you for creating these wonderful works of art and emotion.
 

~ Robin Rogers

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