Golden obsidian gem

Golden obsidian, wanda kuma aka sani da zinariya glitter obsidian ko zinariya glitter obsidian, dutse ne mai ɗauke da sifofi na kumfa gas da ya ragu daga magudanar ruwa, wanda aka daidaita tare da yadudduka da narkakken dutsen ke gudana kafin a sanyaya.

Sayi duwatsu na halitta a cikin kantinmu

Wadannan kumfa suna da tasiri mai ban sha'awa, suna kama da shimmer na zinariya.

zinariya kyalkyali obsidian

An kafa gilashin dutsen mai aman wuta na halitta a cikin nau'in dutsen da aka zubar.

Yana samuwa ne lokacin da ƙwanƙwasa ƙwanƙwasa da ke fita daga dutsen mai aman wuta yana yin sanyi da sauri tare da ƙaramin girma na crystal.

Yawancin lokaci ana iya samuwa a gefen rhyolitic lava flows da aka sani da obsidian plumes, inda ilmin sunadarai da babban abun ciki na silica ya haifar da babban danko wanda, lokacin da aka sanyaya da sauri, yana samar da gilashin lava na halitta.

Hana yaɗuwar atomic ta wannan lava mai ɗanko yana bayyana rashin ci gaban kristal. Dutsen yana da wuya, gaggautsa kuma amorphous, don haka yana fashe da gefuna masu kaifi sosai. A da, an yi amfani da shi wajen kera kayan yanka da wuka, sannan kuma an yi amfani da shi a gwaje-gwajen a matsayin fida.

Golden obsidian. ma'adinai-kamar

Ba ma'adinai ba ne na gaskiya saboda ba crystalline kamar gilashi ba kuma abun da ke ciki ya yi yawa don ɗaukar ma'adinai. Wani lokaci ana kiransa mineraloids.

Kodayake obsidian na zinariya yawanci duhu ne a cikin launi, kamar dutsen tushe kamar basalt, obsidian yana da babban abun da ke ciki na felsic. Obsidian yawanci ya ƙunshi SiO2, silicon dioxide yawanci 70% ko fiye. Dutsen kristal tare da abun da ke ciki na obsidian suna wakiltar granite da rhyolite.

Tun da obsidian ya kasance mai daidaitawa a saman duniya, gilashin ƙarshe ya juya ya zama lu'ulu'u na ma'adinai masu kyau; ba a sami obsidian da ya girmi Cretaceous ba. Wannan lalatawar obsidian yana haɓaka a gaban ruwa.

Samun ƙananan abun ciki na ruwa, lokacin da aka samo asali, yawanci ƙasa da 1% ruwa ta taro, obsidian a hankali yana hydrates ƙarƙashin rinjayar ruwan ƙasa, yana samar da perlite.

Golden Obsidian Orb

Siyar da duwatsu masu daraja na halitta a cikin shagon mu