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發佈於12th Jul 2018
修改於4th Jun 2025
Sɛnea Wɔtwa na Wɔyɛ Polish Obsidian
Aboɔden abo Obsidian yɛ abɔde mu ahwehwɛ a wɔde ogya bepɔw dwumadi na ɛyɛe wɔ ɔkwan koro no ara so sɛnea Granite yɛ no. Obsidian yɛ 35-80% Silica na nsuo a ɛwɔ mu no sua. Wɔde adi dwuma wɔ nnwinnade ne agude a wɔyɛ mu mfehaha pii . Ne fibea ne Caucasus Mmepɔw, Georgia, Armenia ne Russia.
Ase hɔ no yɛ mfonini ahorow a ɛkyerɛ sukyerɛmma a ɛyɛ den Obsidian a wɔretwitwa na wɔayɛ no fɛfɛɛfɛ ayɛ no aboɔden abo a ɛyɛ fɛ.
Sɛnea Wɔpaw Obsidian Rough
Ɛyɛ papa sɛ wobɛpaw Obsidian rough afã bi a mpaapaemu ne nsensanee a wotumi hu kakraa bi na ɛwɔ mu. Ɛtɔ da bi a, Obsidian betumi apaapae bere a ɛretwitwa mpaapaemu no. Yɛpaw ade kɛse bi de fii ase na yetwitwaa mu abien.
Saw a eye sen biara a wode bedi dwuma de atwitwa anaa atwitwa Obsidian ne Diamond Saw. Obsidian yɛ nea ɛnyɛ den sɛ wɔbɛsaw na ɛma ɛyɛ ɔbo a eye a wobetumi atwitwa na wɔayɛ no fɛfɛɛfɛ. Bere nyinaa hyɛ akataso a ɛbɔ wo ho ban bere a wo ne Obsidian Rough reyɛ adwuma efisɛ silica no betumi apira w’akwahosan. 
Bere nyinaa nya nsu pii a ɛnam saw blade anaa polishing wheel so sɛ Obsidian, eyi bɛma silica mfutuma dodow a ɛkɔ soro kɔ mframa mu na wɔhome no so atew.
Yɛde 6 inch saw blade a ɛwɔ 0.18 grit ne 3 polishing wheels a na ɛyɛ Diamond impregnated fi 180,240 kosi 400 grit, afei polish a etwa to dii dwuma.
Obsidian nso yɛ anigye sɛ wobɛdi adwini. Fa Dremel drill a diamond tip drill bits wom di dwuma. Wɔyɛ nea eye sen biara na afei wɔde laps a etwa to anaasɛ mprako were anaa ntade a wɔde polish yɛ no fɛfɛɛfɛ.
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