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#lapis lazuli #ultramarine pigment #blue stone #gem pigment #historical blue #pigment origin

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#navy blue #traditional uniform #military blue #maritime blue #classic blue color #historical blue

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#egyptian blue #synthetic pigment #ancient chemistry #first synthetic color #historical blue #cuprorivaite

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#prussian military #prussian army blue #historical blue #uniform color #frederick the great blue

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#antique pottery #blue ceramics #vintage vase #delftware blue #aged porcelain #historical blue