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<p>[QUOTE="42Skeezix, post: 104464, member: 40"]Actually it's iron that imparts the aqua to Coke bottles.</p><p>This is the natural color of glass made from good ingredients. </p><p>Lead will make glass clear...as in lead crystal.</p><p><br /></p><p>Selinium was used to make cheap glass clear from about WW I on. Like glass cleared with manganese turns purple/amethyst, glass cleared with selinium will turn a straw yellow to light amber with exposure to light. Certain methods increase this effect. The only yellow/brown hobble skirt Coke bottles I've ever seen were originally clear then treated in some way, probably UV.[/QUOTE]</p><p><br /></p>
[QUOTE="42Skeezix, post: 104464, member: 40"]Actually it's iron that imparts the aqua to Coke bottles. This is the natural color of glass made from good ingredients. Lead will make glass clear...as in lead crystal. Selinium was used to make cheap glass clear from about WW I on. Like glass cleared with manganese turns purple/amethyst, glass cleared with selinium will turn a straw yellow to light amber with exposure to light. Certain methods increase this effect. The only yellow/brown hobble skirt Coke bottles I've ever seen were originally clear then treated in some way, probably UV.[/QUOTE]
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