Hälleflinta from Marmora, Ontario, Canada. Comes with certificate of authenticity. Collectible minerals. Type: non-foliated regional metamorphic rocks. Stone type: Hälleflinta. Dominant color: multicolored. Origin: Canada. Average weight (Carats): 22.7 carats. Dimensions (mm): 24 x 21 x 9 mm. Ref. : SKU031027. Igneous rock composed of quartz and feldspar, often used for ornamental objects.
