naturally occurring Calcium Carbonate
2018 mold | Overall mold dimensions 7”
or they may strike but appear spotty and have a blue-brown cast
Eggshell-thin shards of Bullseye glass
delicate texturing that gently mutes transmitted light and images
BE - 1137 Medium Amber Transparent Sheet Thickness:3mm naturally occurring Calcium CarbonateContains Sulfur May React With Copper, Lead, Silver See the Bullseye Reactive Potential charts for more information Cold Characteristics Varies slightly from lighter to darker shade. Working Notes A sulfur glass. May have dark interface reaction with copper bearing (001116, 001408, 001417, 000116, 000144, 000145, 000147) and lead bearing (001311, 001215, 000301, 000305) glasses.