
Giraangiraha dhoobada ah ee Lacunaris oo leh 7 god ayaa si weyn loogu isticmaalaa meelo badan, oo ay ku jiraan batroolka, injineernimada kiimikada, wax soo saarka bacriminta, gaaska dabiiciga ah iyo ilaalinta deegaanka. Waxaa loo isticmaalaa sidii agab daboolan iyo taageero ah oo kaaliyayaasha ku jira weelasha falcelinta iyo sidii baakado loogu sameeyo munaaradaha.
Doorka ugu weyn ee kubbadaha dhoobada ah ee aan firfircoonayn waa in la kordhiyo meelaha qaybinta ee gaaska ama dareeraha, iyo in la taageero oo la ilaaliyo kicinta firfircoonida oo leh xoog hooseeya.
Waxay leeyihiin sifooyin kiimiko oo deggan iyo heer hoose oo nuugista biyaha ah, waxay iska caabiyaan heerkulka sare iyo cadaadiska sare, waxayna sidoo kale iska caabiyaan daxalka aashitada, alkali iyo qaar ka mid ah dareerayaasha kale ee dabiiciga ah. Waxay u adkeysan karaan isbeddelka heerkulka inta lagu jiro habka wax soo saarka.
| Al2O3 | SiO2 | Fe2O3 | K2O | Na2O |
| >99% | < 0.4% | <0.05% | < 0.03% | < 0.5% |
10 god:
| Al2O3 | SiO2 | Fe2O3 | MgO+Cao | K2O+Na2O |
| >90% | < 7.0% | <0.5% | < 1% | < 0.4% |
Sifooyinka Jirka:
| Waxyaabaha Aluminiumka ku jira | 90~99% |
| Iska caabbinta kulaylka ilaa | 1500 ℃ |
| Nuugista biyaha | <25% |
| Cufnaanta qayb ahaan | 3.3~3.65 g/cm3 |
| Adkaanshaha Moh (Miisaanka) | 7-9 |
Cabbirka: 7 godad: 16.5X14, 10 godad: 20-40mm
Nooca loogu talagalay nooca giraanta, nuugista biyaha ama cabbirka ayaa la bixin karaa