Citrine (Top 1) Labradorite (top 2) Labradorite (top 3) Obsidian (top 4) Calcite (top 5) Agate (top 6) Citrine (middle row-3the same-intuitively chosen) Onyx (middle row-black-left) Onyx (middle row-black-right) Moonstone (bottom row-round stone) Moonstone (bottom row) Malachite (bottom row green) Garnet (bottom row-far right)