Ferrous Quartz beads measure approximately 14x14x6- 28x27x6mm for the Heart shapes and measure 19x14x6-47x34x8mm for the Pear shape. Gems have a vitreous luster, show brilliance with good faceting, the gems are symmetrical in shape, the gem bodies are a transparent colorless hue showing phantom areas of Iron internal features outlining the crystal structure within the stone. Rare Iron Phantom Quartz beads! AA grade