Did you possibly mean alumina?
Century Dictionary and Cyclopedia
- A combining form (with silicate, phosphate, etc.) of aluminum, aluminium. The feldspars are all aluminosilicates.
“But this also subjects them to infiltration by foreign particles like calcium magnesium alumino silicate (aka CMAS, formed in and near sand particles) or volcanic ash.”
“Hydrolysis is especially effective in the weathering of common silicate and alumino-silicate minerals because of their electrically charged crystal surfaces.”
“Some of the products of weathering, less resistant alumino-silicate minerals, become clay particles.”
“And there's very little happening on this big old ball of alumino-silicates that I can't find in some way humorous.”
“The vidrio y alumino guy comes to the house here in Akumal and builds the whole thing, cutting the glass and building the aluminum frame.”
“These are found to be still razor sharp after tens of thousands of years, but again, this glass is mainly silica and alumino-silicates and is much tougher than window glass.”
“Glass such as Pyrex (used for test-tubes and ovenware) is usually based on boro-silicates or alumino-silicates, which withstand heating better and typically have a higher glass transition temperature.”
“AVERA: It's alumino-silicate, that white material.”
“For six major minerals South Africa has the world's largest reserves, namely, manganese, the platinum group metals (PGMs), chromium, vanadium, gold and alumino-silicates.”
“Cement products do not burn, but high temperatures in fires could break down some of the calcium and alumino silicates of which they are composed, causing loss of strength.”
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