Japan · Metalwork / Gold Working

Kanazawa Gold Leaf Craft (Kanazawa Hakuuchi)

金沢箔打ち (Kanazawa Hakuuchi)

Kanazawa Hakuuchi (金沢箔打ち — Kanazawa gold leaf beating) is Japan's primary gold leaf production tradition — Kanazawa producing over 98% of all Japanese gold leaf. Unlike Mandalay gold leaf (CRAFT-0423) which produces leaf for Buddhist devotional application, Kanazawa hakuuchi produces gold leaf for lacquerware decoration (CRAFT-0460, 0461, 0468, 0498), Buddhist sculpture gilding, food decoration, and cosmetics. The technical tradition is structurally similar to Mandalay — progressive beating in packet stages — but uses a different paper (mino washi with persimmon tannin treatment, called 'kinpaku mino' — not the U Chein bamboo paper of Mandalay) and targets a slightly thicker leaf (1/10,000mm vs Mandalay's 1/10,000mm — effectively equivalent thickness, different finishing). The Kanazawa tradition distinguishes itself through the cutting and packaging stage: each leaf is cut with a bamboo knife (not metal scissors — metal would stick to the leaf) to exact 10.9cm × 10.9cm standard dimensions.

Risk level: Endangered · Japan national Important Traditional Craft Product

Alternate Names
Hakuuchi; gold leaf beating Kanazawa; silver leaf; platinum leaf
Geographic Center
Kanazawa City, Ishikawa Prefecture
Community / Ethnic Group
Japanese; Kanazawa gold leaf artisan community
Estimated Origin
Kanazawa gold leaf tradition established by Maeda clan mandate in 1593 CE; continuous to present
Cultural Function
Primary raw material for Japanese lacquerware decoration; Buddhist sculpture and architecture gilding; food decoration (edible gold leaf); cosmetic industry; luxury product decoration
Primary Materials
Gold alloy (99.9% purity — higher than Mandalay); kinpaku mino paper (mino washi with persimmon tannin)
Primary Tools
Hammer set (heavy to light progression — same as Mandalay); bamboo knife (竹ヘラ takehera — custom-shaped for 10.9cm cutting); kinpaku mino paper packets
Process Overview
Gold alloy preparation → initial rolling → kinpaku mino packet assembly → progressive beating (heavy to light) → leaf separation → bamboo knife cutting to 10.9cm → packaging
Traditional Applications
Lacquerware gold leaf; Buddhist sculpture gilding; food and cosmetic decoration
Contemporary Applications
Luxury interior decoration; contemporary art; international Japanese craft export
Notable Practitioners
Kanazawa Gold Leaf Co-operative — approximately 30 active workshops; Hakuichi (箔一) — largest Kanazawa gold leaf company; Nishida Hakuundo — traditional workshop
Key References
Kanazawa Gold Leaf Industry Association publications; Agency for Cultural Affairs designation documentation; Ishikawa Prefecture Traditional Craft documentation
Verification Status
Verified

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