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The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
The last three images were taken under UV light as a little experiment. It better revealed small particles which I first thought was dust, but they are clearly embedded throughout the stone.
Sodalite is a tectosilicate mineral with royal blue varieties widely used as an ornamental gemstone. Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne, nosean, lazurite and tugtupite.
The people of the Caral culture traded for sodalite from the Collao altiplano. First discovered by Europeans in 1811 in the Ilimaussaq intrusive complex in Greenland, sodalite did not become widely important as an ornamental stone until 1891 when vast deposits of fine material were discovered in Ontario, Canada.
Sodalite with an orange inclusion, which could be calcite, feldspar or possibly from some form of staining.
Sodalite rough stone carved with into a terminated point that's been lightly polished.
Kakortokite from the Precambrian of Greenland.
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
Kakortokite from the Precambrian of Greenland.
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
Kakortokite from the Precambrian of Greenland.
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
Fluorescent sodallite in kakortokite from the Precambrian of Greenland. (ultraviolet light view)
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
Kakortokite from the Precambrian of Greenland.
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
Kakortokite from the Precambrian of Greenland.
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
Fluorescent sodallite in kakortokite from the Precambrian of Greenland. (ultraviolet light view)
Kakortokite is a rare intrusive igneous rock. The name traditionally applies to eudialytic nepheline syenites found in southern Greenland. The most conspicuous minerals in this sample are reddish eudialyte (Na4(Ca,Ce)2(Fe,Mn,Y)ZrSi8O22(OH,Cl)2) and black-colored arfvedsonite amphibole (NaNa2((Fe+2)4Fe+3)Si8O22(OH)2). The light-colored material is a mix of nepheline, alkali feldspar, and sodalite. Sodalite is often bluish-colored, but not in this specimen. The sodalite component glow orangish under black light (ultraviolet light).
Geologic unit: Ilímaussaq Intrusion (Ilímaussaq Complex; Ilímaussaq Alkaline Complex), an 8 x 17 kilometer-sized intrusion in the 1.12-1.35 billion year old Gardar Igneous Province, developed in a failed rift zone.
Age: late Mesoproterozoic, 1.16 Ga
Locality: eastern end of Kangerdluarssaq Fjord (also spelled Kangerdluarsuk Fjord), far-southern Greenland
