About Half Blood, 1933

Half Blood is a half-strength version of Dragon’s Blood, designed to strike to a rich ruby red while maintaining greater transparency in thinner applications.

A transparent copper ruby borosilicate glass, it stays bright and clear, making it a reliable choice for lampworking across both hollow and solid work, including deep encasement.

Its reduced density offers more control while still delivering a strong, vibrant strike in the flame.

At $41.25/lb, it’s one of the best values around for a ruby color.

If you like Half Blood but want a deeper, more saturated red, try Glass Alchemy’s Dragon’s Blood.

Working Tip: This color will strike back as it cools. Half Blood will strike to a deeper red in the flame or kiln.

Artist Description by Mike Shelbo:
"The half strength equivalent to GA Dragon’s Blood, this is an essential for my color palette. I have always been a fan of deep copper rubies and when GA Half Blood emerged I was excited to have a beautiful striking copper ruby that was more prone to staying vibrant and transparent than going dark or toward liver when worked for a long time. I have been able to get an array of finishes from different combinations of color layer thickness and kiln time and temperature. Half Blood works well in all hollow and solid applications and under deep encasement. So far my favorite combinations with GA Half Blood are when it is paired with either GA Paparazzi or GA Agua Mist." - Mike Shelbo