Adamantiferous, etymologically correct, would never answer; but all except pedants or affectationists would be satisfied with diamond-producing.

The corny ear.

As an example, firing strong-handed from the Weaver stance, we have our left foot forward and the right foot to the rear.

Astronomers cannot help regarding the solar system as a small widdershins universe, because the real movements with which they are familiar are nearly all widdershins: the rotation of the sun on its axis, the rotation and revolution of the earth and the moon, the rotation and revolution of the planets and of most of their satellites.