- Our Sapphire Gem TM will amaze you with its grey to
light grey plumage. This Czech breed is an excellent
egg layer and a great forager. It does well in hot
and cold climates and is a breed very close to the
Old Andalusians. Please note that gray to light gray
plumage is referred to as blue or lavender feathering in
the chicken industry. APPROX. 290 LARGE EGGS/YEAR | EGG COLOR: BROWN | MATURE WT: MALE 7 LBS. FEMALE 6 LBS.