naturally occurring Calcium Carbonate
This style is not suitable for kilncasting because it can become incompatible when held at high temperatures for an extended period
Color usually deepens on firing
this glass has greater reactivity potential
This style is focused on GREENS
BE - 0137 French Vanilla Opal Sheet Size:8x10 naturally occurring Calcium CarbonateContains Sulfur May React With Copper, Lead, Silver See the Bullseye Reactive Potential charts for more information Cold Characteristics Consistent color. Working Notes This sulfur bearing glass may react with gold bearing lead (001311, 001215, 000301, 000305) and copper (001116, 001408, 001417, 000144, 000145, 000146) glasses to create dark interface (lead sulfide, copper sulfide). Very viscous; will flow later and less than other glasses. Generally