SENI
KECANTIKAN & KESEHATAN
KERAJINAN
BUDAYA & SEJARAH
HIBURAN
LINGKUNGAN
MAKANAN & MINUMAN
MASA DEPAN HIJAU
REKAYASA BALIK
PROYEK SEKOLAH
ILMU PENGETAHUAN
OLAHRAGA
TEKNOLOGI
PERANGKAT PAKAI
Konten berbahaya
Making Natural Earth Pigments from Soil and Rocks — Collecting and Processing
Create artist-quality pigments from naturally coloured soils and rocks using levigation (water-based particle separation), grinding, and optional calcination. Earth pigments — the ochres, siennas, and umbers — are among the oldest colouring materials in human history, used in the Lascaux cave paintings (17,000 years ago) and continuously through to modern times. Their colour comes from iron oxide minerals: goethite (FeOOH) produces yellows and browns, hematite (Fe2O3) produces reds, and manganese dioxide (MnO2) adds the dark tones in umbers. This blueprint covers collecting raw material, purifying it into fine pigment, and calcining (heat-treating) to transform yellow ochre into red ochre.
Pemula
2-4 hours processing (plus drying time)
Konten berbahaya
Blueprint ini mengandung prosedur berbahaya. Masuk dan aktifkan konten berbahaya di pengaturan akun Anda untuk melihat petunjuk langkah demi langkah.
Blueprint terkait
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CC0 Domain Publik
Cetak biru ini dirilis di bawah CC0. Anda bebas untuk menyalin, memodifikasi, mendistribusikan, dan menggunakan karya ini untuk tujuan apa pun, termasuk komersial, tanpa meminta izin.
Dukung Maker dengan membeli produk melalui Cetak Biru mereka di mana mereka mendapatkan Komisi Pembuat yang ditetapkan oleh Penjual, atau buat iterasi baru dari Cetak Biru ini dan masukkan sebagai koneksi di milik Anda sendiri.