{"product_id":"nama-toyu-chawan-raw-ash-glaze-matcha-bowl-gray-blue-mineral-surface-japanese-tea-ceremony","title":"Nama-Toyu Chawan | Raw Ash Glaze Matcha Bowl | Gray-Blue Mineral Surface | Japanese Tea Ceremony","description":"A nama-toyu (raw transparent ash glaze) chawan — thick gray-blue ash glaze over iron-rich terracotta clay, the surface carrying a mineral depth that reads differently in every light. Named on the box: 生透釉茶碗. Nama-toyu ash glaze tea bowl Japan, raw glaze chawan ceramic artist, gray-blue mineral glaze matcha bowl, Japanese ash glaze tea ceremony bowl, iron clay stoneware chawan box, wabi ceramic art Japan signed, natural ash glaze matcha bowl, artist piece ceramic Japanese draw the eye to a surface in which the kiln remains permanently visible.\u003cbr\u003e\u003cbr\u003e🔹 [ Basic Details ]\u003cbr\u003e• Artist: Named artist piece (作家物); signed on box\u003cbr\u003e• Technique: Nama-toyu (生透釉) — raw ash transparent glaze over iron-bearing stoneware\u003cbr\u003e• Origin: Japan\u003cbr\u003e• Dimensions: diameter approx. 13.5 cm, height approx. 6.7 cm\u003cbr\u003e• Box: Signed wood box (箱にシミあり — box has some staining, object in excellent condition)\u003cbr\u003e• Condition: No chips or cracks; box has minor staining\u003cbr\u003e\u003cbr\u003e🔹 [ Cultural \u0026amp; Artistic Insight ]\u003cbr\u003eNama-toyu, or \"raw transparent glaze,\" is a technique associated with the tradition of applying unfired ash glaze directly to the bisque body, producing a surface in which the translucency of the glaze allows the iron in the clay to read through as landscape — clouds, stone, erosion. This bowl's exterior carries a complex field of blue-gray, pale ash, and brown-red flux marks that is the direct record of where glaze was thick, where thin, and where fire moved.\u003cbr\u003e\u003cbr\u003e🔹 [ Deep-Dive Commentary ]\u003cbr\u003eThe exterior of this bowl is its primary surface event: a field of layered ash tones in blue-gray and cool white, punctuated by warm brown iron marks where the glaze was thinner or where clay body minerals bled upward. This is not a decorated surface — it is a revealed one.\u003cbr\u003e\u003cbr\u003eThe interior shares the same mineral quality — blue-gray glaze with scattered brown flux marks and a faint sheen where the glaze gathered in the concave center. The foot is deliberately left rough, the terracotta-pink clay unglazed, establishing a material contrast between the refined glaze surface and the raw earth beneath.\u003cbr\u003e\u003cbr\u003eThe form is the classic wide-mouth, gently flaring bowl suited to matcha preparation — generous enough for the chasen (whisk), deep enough to maintain temperature. The slightly undulating rim shows the hand that threw it.\u003cbr\u003e\u003cbr\u003eFor collectors interested in the mineral, elemental quality of Japanese ash-glaze ceramics — as distinct from painted, overglaze, or reduction-fired traditions — this bowl represents a direct path to that aesthetic. The box staining is on the exterior of the box only and in no way affects the vessel.\u003cbr\u003e\u003cbr\u003e【作家物・茶道具 日本語説明】\u003cbr\u003e🔹 [ 基本情報 ]\u003cbr\u003e• 作者：作家物（箱に署名）\u003cbr\u003e• 技法：生透釉（なまとうゆ）\u003cbr\u003e• 産地：日本\u003cbr\u003e• 寸法：径約13.5cm、高さ約6.7cm\u003cbr\u003e• 箱：木箱（箱にシミあり、茶碗本体はヒビ・カケなし）\u003cbr\u003e• 状態：茶碗は良好。箱外側にシミあり。\u003cbr\u003e\u003cbr\u003e🔹 [ 文化的背景 ]\u003cbr\u003e生透釉は本焼き前に透明の灰釉を掛ける技法で、釉薬の濃淡と素地の鉄分が溶け合って複雑な色景色を生む。青灰色の釉面に浮かぶ茶褐色の斑文は窯変の自然な産物であり、同じ景色は二度と現れない。\u003cbr\u003e\u003cbr\u003e🔹 [ 鑑賞ポイント ]\u003cbr\u003e青みを帯びた灰釉の深みと、素地の鉄分が透けて見える温かみのある褐色の斑紋が共存する複雑な表情。内側も同様の鉱物的な質感を持ち、茶を点てるたびに異なる表情を見せる。高台は意図的に荒く削り出され、釉薬と素地の対比が際立つ。\u003cbr\u003e\u003cbr\u003e🔹 [ SHIPPING \u0026amp; PACKAGING ]\u003cbr\u003e• Dispatch: Within 1-6 business days\u003cbr\u003e• Carrier: Japan Post EMS \/ UPS (with tracking)\u003cbr\u003e• Packaging: Carefully wrapped with protective materials","brand":"The Modern Zen Archive","offers":[{"title":"Default Title","offer_id":61625034768754,"sku":"260227_a_2153","price":509.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0960\/5680\/3698\/files\/m17155469399_1.jpg?v=1772239779","url":"https:\/\/checkout.themodernzenarchive.com\/products\/nama-toyu-chawan-raw-ash-glaze-matcha-bowl-gray-blue-mineral-surface-japanese-tea-ceremony","provider":"The Modern Zen Archive","version":"1.0","type":"link"}