Related Products 20mm- Black Calcite in Garnet Sphere- Marmora, Hastings County, ON $11.00 50mm- Epidote in Feldspar Egg- Marmora, Hastings County, ON $55.00 30mm- Epidote in Feldspar Sphere- Marmora, Hastings County, ON $22.00 25-30mm-Black Calcite in Garnet Sphere- Marmora, Hastings County, ON $22.00 CSR-535 Quantity Add to cart Product added to wishlist. Description Canadian Stone Sphere. These are stock items. Diameter: 25-30mm. Additional Information Weight 50 g Reviews (0) Add a Review Add to Wishlist Product added! Browse Wishlist The product is already in the wishlist! Browse Wishlist Share Category: Canadian Spheres, Rough Rock and Cabochons.