Planet of the Apes character played by Kim Hunter, 4 letters
Chimpanzee psychologist played by Kim Hunter in Planet of the Apes, 4 letters
Kim Hunter's Planet of the Apes role, 4 letters
December birthstone, 6 letters
Matura diamond, actually, 6 letters
Modern December birthstone, 6 letters
Diamond cartel's kin?, 16 letters
Artificial Hawaii landmark?, 10 letters
Compound used in abrasives, 8 letters
A white crystalline oxide, 8 letters
Used in refractories and in insulation and abrasives and enamels and glazes, 8 letters
A lustrous gray strong metallic element resembling titanium, 9 letters
It is used in nuclear reactors as a neutron absorber, 9 letters
It occurs in baddeleyite but is obtained chiefly from zircon, 9 letters
December birthstones, 7 letters