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Traditional Japanese granite stone mill grinding tencha leaves into fine matcha powder at Osada Seicha, Shizuoka

What Is Stone-Ground Matcha? Why Processing Matters More Than You Think

What Is Stone-Ground Matcha? Why Processing Matters More Than You Think Traditional stone-ground matcha is produced using granite mills called ishi-usu that grind tencha leaves into particles as fine as 5 to 15 microns, roughly one-fifth the width of a...

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