Charms › Blue Howlite Heart Charm Image 1 of 2 Image 2 of 2 Blue Howlite Heart Charm $10.00 Gold Plated Heart Inlaid Blue Howlite Stone Pendant with Diamond Stone Center. Stone Size: Length: 21mm, Width: 21mm Add To Cart Added! Gold Plated Heart Inlaid Blue Howlite Stone Pendant with Diamond Stone Center. Stone Size: Length: 21mm, Width: 21mm You Might Also Like Citrine Heart Charm $10.00 Quartz Heart Charm $10.00 Rhodochrosite Heart Charm $10.00 Onyx Heart Charm $10.00 Blue Quartz Heart Charm $10.00