Hoʻolālā gula

gula e ākea

Gemstone Info

Hōʻike Hōʻuluʻulu

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Hoʻolālā gula

ʻO ka obsidian gula, ka mea i kapa ʻia ʻo obsidian gula he she obsidian a he she obsidian he pōhaku ia e pili ana i nā kumulana a me nā pulu gas, e waiho ana mai ka kahe pele, i hui ʻia ma nā papa i hana ʻia e kahe ana o ka pōhaku i hoʻoili ʻia ma mua o ka hoʻonaninani. Kūpono kēia mau pūlū i nā hopena hoihoi e like me ka lei gula.

Obsidian

ʻO ka nānāʻana he'ōmole lua pele kū i ka hanaʻia e like me keʻano o ka pōhaku kūlohelohe.
Hoʻohana ʻia ia i ka wā i kaʻi ʻia ʻana o ka pele felsic mai kahi lua pele me ka ulu ʻana o ka kristal liʻiliʻi. He mea i loaʻa i loko o ka kahe o ka pele rhyolitic i ʻike ʻia e kahe ana o obsidian, kahi o nā mea kemikū, ʻike ʻia i ka silica kiʻekiʻe ka mea e kahe nui a ma ka wikiwiki, e hoʻohuhū i ka wai kūlohelohe mai ka lava. ʻO ka pale ʻana i ke kaʻe atomic ma o kēia pele nui a ka wehewehe ʻana no ka nui o ka ulu ʻana o ka kristal. Maʻalahi ʻo Obsidian, palupalu, a amorphous, no laila ua kaki ʻia me nā kihi ʻoi loa. I ka wā ma mua ua hana ʻia e hana i nā ʻoki a me ke pale ʻana i nā mea hana a ua hoʻohana ʻia he mau hana hana ia e like me ka ʻoi.

ʻO kahi mineral-like

ʻAʻole ia he mineral maoli no ka mea he aniani ʻaʻole ia he aniani, ʻo ka hoʻohui, he ʻano ʻokoʻa nui kona waihona ʻia i ka helu ʻia ʻana o ka minima. ʻO kekahi manawa ua heluʻia he mineraloid. ʻOiai ka obsidian ʻāʻeleʻele i ka waihoʻoluʻu, ʻae like me nā pōhaku mafic e like me ke basalt, he kikoʻī nā kikoʻī a obsidian. ʻO ka obsidian ka mea maʻamau o SiO2, kaomi silika, ka mea maʻamau ʻo 70% a i ʻole. ʻO nā pali crystalline me ka hoʻonohonohoʻana o obsidian me ka ratite a me ka rhyolite. No ka mea ua ʻike ʻia ka obsidian ma ka ʻaoʻao o ka Honua, i ka manawa ua lilo ke aniani i nā ʻekala mineral-grained maikaʻi loa, ʻaʻohe mea i ʻike ʻia ma mua o ka makahiki Cretaceous. Hōʻalo ʻia kēia haki o ka obsidian ma mua o ka wai. ʻO ka loaʻa ʻana o ka wai haʻahaʻa ma ka wā i hana hou ʻia, maʻamau ma lalo o 1% wai e ka paona, lilo ka obsidian i ka holomua ma ka puka i ke kai, hoʻohālikelike ʻia.

Hōʻike i ka honua gula

kūʻai i nā puʻu pōhaku maoli ma kā mākou hale kūʻai

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