Adular + Chlorite + Quartz + Rutile (1990) from Alpes d'Huez, Grandes Rousses, Isère, France. Comes with certificate of authenticity. Average weight (Carats): 165.90 carats. Dimensions (mm): 40 x 36 x 30 mm. Ref. : SKU049156. Titanium oxide often found in sands and rocks. Used in jewelry for its inclusions in quartz and its metallic shards.