ʻO ka pōhaku obsidian gula

ʻO ka obsidian gula, i ʻike ʻia hoʻi ʻo ka obsidian ʻālohilohi gula a i ʻole ka obsidian ʻālohilohi gula, he pōhaku i loaʻa nā ʻano o nā ʻōmole kinoea i waiho ʻia mai kahi kahe pele, i hoʻohālikelike ʻia ma nā papa i hana ʻia e ka kahe pōhaku i hoʻoheheʻe ʻia ma mua o ka hoʻoilo.

E kūʻai i nā pōhaku maoli ma kā mākou hale kūʻai

Loaʻa i kēia mau ʻōpuʻu nā hopena hoihoi, ua like lākou me ka shimmer gula.

ʻōlinolino gula obsidian

Ua hana ʻia ke aniani lua pele maoli ma ke ʻano o ka pōhaku igneous i ninini ʻia.

Hoʻokumu ia i ka wā e maʻalili wikiwiki ai ka pele i hoʻokuʻu ʻia mai ka lua pele me ka liʻiliʻi o ka ulu aniani.

Hiki ke loa'a ma ka lihi o ka pele rhyolitic i kapa 'ia he obsidian plumes, kahi o ka kemika a me ka silica ki'eki'e ka mea i loa'a i ka viscosity ki'eki'e, a i ka ho'omalo'o koke 'ana, e hana 'ia ke aniani pele maoli.

ʻO ke kaohi ʻana o ka hoʻopuehu ʻātoma ma o kēia pele pili loa e wehewehe i ka nele o ka ulu aniani. He ʻoʻoleʻa ka pōhaku, palupalu a amorphous, no laila ua pohā me nā ʻaoʻao ʻoi loa. I ka wā ma mua, ua hoʻohana ʻia ia i ka hana ʻana i nā mea ʻoki a me nā mea paʻi, a ua hoʻohana ʻia hoʻi i ka hoʻokolohua ʻana ma ke ʻano he scalpel ʻokiʻoki.

Obsidian gula. me he minerala

ʻAʻole ia he mineral ʻoiaʻiʻo no ka mea, ʻaʻole ia he kristal e like me ke aniani a he ʻano ʻokoʻa kona haku ʻana i hiki ke manaʻo ʻia he mineral. I kekahi manawa ua kapa ʻia ʻo ia he mineraloids.

ʻOiai he ʻeleʻele maʻamau ka obsidian gula, e like me nā pōhaku kumu e like me ka basalt, loaʻa i ka obsidian kahi haku mele. Hoʻokumu nui ʻia ʻo Obsidian me SiO2, ʻo ka silicon dioxide ka mea maʻamau he 70% a ʻoi aku paha. Hōʻike ʻia nā pōhaku crystalline me kahi haku mele obsidian e ka granite a me ka rhyolite.

Ma muli o ka metastable o ka obsidian ma ka ili o ka Honua, ua lilo ke aniani i mau kristal kolakela maikaʻi; ʻaʻohe obsidian i ʻoi aku ma mua o ka Cretaceous. Hoʻonui ʻia kēia hoʻohaʻahaʻa o ka obsidian i mua o ka wai.

Loaʻa ka haʻahaʻa o ka wai, i ka wā i hana hou ʻia ai, ʻoi aku ka liʻiliʻi ma mua o 1% o ka wai ma ka nui, hydrates mālie ka obsidian ma lalo o ka mana o ka wai lepo, e hana ana i ka perlite.

Obsidian Orb

Ke kūʻai aku nei i nā pōhaku makamae ma kā mākou hale kūʻai