Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Kupfuura: Mumamiriro ezvinhu akajairika, germanium chinhu chisina kusimba, chakachena sechirivha, chisingapfuuri nesimbi. Chimiro ichi chinoumba allotrope inozivikanwa se α-germanium, iyo ine kubwinya kwesimbi uye dhayamondi cubic crystal chimiro, zvakafanana nedhaimani. Nepo iri muchimiro chekristaro, germanium ine simba rekutsvaira rekutsvaira re  Mubvunzo: chii chinogadzira allotrope inozivikanwa segermanium?
kupenya kwesimbi uye chimiro chedhaimani cubic crystal