What is (a) A green siliceous stone sprinkled with red jasper, as if with blood; hence the name; -- called also heliotrope. (b) Hematite, an ore of iron yielding a blood red powder or "streak." called?

bloodstone — (a) A green siliceous stone sprinkled with red jasper, as if with blood; hence the name; -- called also heliotrope. (b) Hematite, an ore of iron yielding a blood red powder or "streak.". (Webster's 1913.)