***Ividiyo nezithombe ziyizinto ngqo ozozithola.***
Ama-Boulder opal awuhlobo olungavamile lwe-opal oluphuma eQueensland, e-Australia. Ziwuhlobo oluhlaba umxhwele lwe-opal oluqala ukuduma phakathi kwabathandi be-opal base-Australia. I-boulder opal ihlukile kwezinye izinhlobo zama-opals ngoba inephethini yekristalu eqine kakhulu kunezakwabo.
Igama elithi boulder opal libhekisela endleleni la maminerali akheke ngayo; ngokungafani nama-opal amnyama, akha ngokuyinhloko kuma-vugs avuthayo kanye nemifantu, ama-opal angamatshe akheka kuma-sedimentary ironstone concretions.
Ngama-Boulder opals akudingeki ukhathazeke ngenqubo ende, eyisicefe yokuhlanza nokusetha itshe. Ama-Boulder opal azinzile futhi alungele ukubekwa obala! Odinga ukukwenza nje ukunciphisa ukuchayeka ekukhanyeni okuqinile, njengokukhanya kwelanga. Lona umkhuba omuhle wamatshe ayigugu emvelo amaningi.
I-opal ngayinye ihlukile futhi izohluka ngemibala ecebile ehlukahlukene, ukwakheka, nosayizi. I-opal ozoyithola ifana ncamashi nezithombe nakuvidiyo engenhla.
isisindo:
12.2 amagremu
(61 carat)
Ubukhulu: (Ububanzi X Ukuphakama)
I-23.9mm X 40.1mm
Amaphoyinti abanzi kakhulu (amayintshi)
Indawo:
EQueensland, e-Australia
Ubunzima:
5.5 ukuze 6.5
Inclusions:
I-Boulder opal izoba nemithungo ye-opal eyigugu ku-ironstone ensundu, i-quartzite, i-rhyolite noma idwala le-basalt host.
Izibuyekezo
Azikho izibuyekezo okwamanje