Actually.... all sponges use an opal (a type of quartz, eefectively the same stuff as glass) skeleton made of spicules (small needles). Sponges are common all over the globe.
Sorry. :-)
Anyway, the types of sponges which leave behind fully fused, ariculated skeletons are somewhat rarer and the skeletons are rather beautiful.
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gfrancie
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Date: 2007-07-29 06:33 am (UTC)they are given as a wedding gift in some Asian cultures.
also- i'm coming to seattle for a job interview aug 14-15th. we should have tea!
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Date: 2007-07-30 10:48 pm (UTC)That might be fun. At the very least you need to go to the chocolate box.
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Date: 2007-07-29 09:12 am (UTC)Actually.... all sponges use an opal (a type of quartz, eefectively the same stuff as glass) skeleton made of spicules (small needles). Sponges are common all over the globe.
Sorry. :-)
Anyway, the types of sponges which leave behind fully fused, ariculated skeletons are somewhat rarer and the skeletons are rather beautiful.
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Date: 2007-07-30 10:49 pm (UTC)But these sponges are extra awesome as they thought they were extinct.