Monthly Archives: January 2013

A little bit about color stones and stratas

There are 2 main types of layers in the Kyoto mines, and each type contains several varieties of stone. The Tomae type has dozens of individual layers. The Suita type has several different individual layers. Within those layers are varieties … Continue reading

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How, why, who: grading awasedo in Japan

To begin with since the World War 2 a lot of the strictly defined relationships between maker/wholesaler/retailer have become fuzzy. It used to be before 1950 or so, that each had his own niche and that was where you remained … Continue reading

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