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Old 2006-07-13, 2:13pm
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Emily Emily is offline
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No, theoretically, they're all around 104 COE. Effetre doesn't reveal the precise COEs of any of its glass, so "around" 104 is as much as we know about any of it, but that's supposed to be right for the alabastro and opalinos, too.

HOWEVER -- and it's a big however -- alabastro and opalino are fussy glasses to work with for reasons that are not well-explained, at least to us lay people. Alabastro in particular does not play well with others and often does not play well with itself. Watch out for shockiness in the extreme. Opalino is a bit more tolerant of being used with "normal" Effetre/Moretti, but encasing is iffy -- not sure why you'd want to, because you'd lose the translucent effect, anyway. Opalino gets sooty if overheated. That can be exploited as the black web effect, but is irritating if unintended. Opalino is a nice glass for hollows. It has a slight stickiness that makes the coils stay together well.

I don't bother with alabastro, so can't offer practical advice on it. It does have the only really strong pink that Effetre makes, unfortunately, which is why some people struggle with it, but those who do frequently refer to it as "alabast*rd."
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