A ( 40 X 40 X 7 mm. ) TEARDROP SHAPED , ALL NATURAL , AFRICAN BLLODSTONE GEMSTONE FROM SOUTH AFRICA THAT WILL BE MADE INTO A BEAUTIFUL NECKLACE BY HANDCRAFTING A HOOK CLASP ON A BLACK LEATHER CORD WITH YOUR CHOICE OF EITHER 14-KT. ROLLED GOLD OR .925 ( ARGENTIUM ) STERLING SILVER. THIS GEMSTONE WEIGHS 105 CARATS AND HAS A MOHS HARDNESS OF 7 .