Yellow Calcite (Generator Tip)Yellow Calcite is associated with the solar plexus, self confidence, and hope. It is effective at clearing out old energy patterns and increasing personal motivation and drive. Yellow Calcite clears accumulated self doubt, giving you the opportunity for a clean emotional slate. Size & Weight: Each piece is a one of a kind crystal, so Size and Weight will vary. Big: 1000(g) approximately Medium: 500(g) approximately Small: 300(g) approximately