Pretty Picturesque Dendritic Quartz Gemstone from Brazil, 37.74 cts., 27 x 21 mm., Buff Top TrillionGem: Dendritic Quartz Weight: 21. 11 cts. Size: 27. 86 x 21. 63 mm. Color: Orange, Black and Colorless Clarity: I Cut: Buff Top Trillion Locality: Brazil Treatment: None Dendritic Quartz stones are comprised of Iron Oxide (Orange) and Manganese Oxide (Black) inclusions inside the stones that make some very beautiful patterns. The word Dendritic comes from the Greek word "dendros" meaning tree, as the inclusions in Dendritic Quartz typically resemble