synhs_001. Syenite from the Kiglapait Layered Intrusion, Northeast Coast of Labrador, Province of Newfoundland and Labrador, Canada. Composed mainly of white alkali feldspar and dark clinopyroxene. Sample is from the Upper Zone (UZ) of the complex, approximately 99.975 percent solidified (PCS). (KI-4062) S.A. Morse Collection, Smith College.

synhs_002. Syenite from the Kiglapait Layered Intrusion, Northeast Coast of Labrador, Province of Newfoundland and Labrador, Canada. This sample is composed mainly of grayish white alkali feldspar with dark clinopyroxene. Upper Zone (UZ) sample, approximately 99.985 percent solidified (PCS). (KI-4084) S.A. Morse Collection, Smith College.

synhs_003. Syenite from the Kiglapait Layered Intrusion, Northeast Coast of Labrador, Province of Newfoundland and Labrador, Canada. This sample is composed mainly of grayish white alkali feldspar with dark clinopyroxene. Upper Zone (UZ) sample, approximately 99.99 percent solidified (PCS). (KI-3173) S.A. Morse Collection, Smith College.

synhs_004.Ben Loyal Syenite, Cnoc nan Cùilean intrusion, near Loch Loyal Scotland. This syenite contains green aegirine-augite pyroxene, orthoclase, euhedral titanite, and other minor accessory minerals. The sample is about 7 cm across. Image from the UK Virtual Microscope.

synhs_005.Hornblende syenite from near Cuttingsville, VT, USA. The rock is composed of clouded perthite (orthoclase and plagioclase), biotite and brown hornblende, titanite, apatite, and sericite. The sample is 9 cm across. University of North Dakota sample. Photograph by Dexter Perkins and students. To see a zoomable, 3D image of this sample click here.