Zaren rage haɗin gwiwa biyu na waje kuma ana kiransa haɗin haɗin rage hexagonal da haɗin zaren hexagonal.Sigar juyin halitta ce ta haɗin haɗin zaren daidai diamita.A halin yanzu, girman kewayon da za mu iya bayarwa yana tsakanin 1/4 inch da 4 inch.