< The Mineralogist
Cuprorivaite 1.0 close up (by someHerrings)
"An attempt at creating an ancient pigment made by the Egyptians called "Egyptian Blue" which was likely Cuprorivaite (CaCuSi4O10).
One part calcium oxide (lime) was combined with one part cupric oxide and four parts silica (ground glass). This was heated over an alcohol flame for a couple of hours. Where the mixture melted became a bright blue color once it cooled.&#8221;
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    Вот что значит, радуга льется из глаз. Восхитительность зашалила.
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