Duke Geological Laboratory

Stone Ridge, NY

Dukelabs Macro Mineral Collection Gallery

1726a_Opal_IcaDept_Peru
1828
%_tempFileName1726a_Opal_IcaDept_Peru%

1727a_Pyrite, Sphalerite_HuanzalaMine_DeptHuanuco_Peru
1829
%_tempFileName1727a_Pyrite,%20Sphalerite_HuanzalaMine_DeptHuanuco_Peru%

1728a_Quartz_MinasGerais_Brazil
1830
%_tempFileName1728a_Quartz_MinasGerais_Brazil%

1729a_Calcite, Sphalerite, Quartz_Casapalca_Peru
1831
%_tempFileName1729a_Calcite,%20Sphalerite,%20Quartz_Casapalca_Peru%

1730a_Quartz Flower_MinasGerais_Brazil
1832
%_tempFileName1730a_Quartz%20Flower_MinasGerais_Brazil%

1731a_Quartz var Smoky, Sphene_MoatMtn_CarrollCo_NH_USA
1833
%_tempFileName1731a_Quartz%20var%20Smoky,%20Sphene_MoatMtn_CarrollCo_NH_USA%

1740a_Pyrargyrite_St.Andreasberg_HarzMtns_Germany
1834
%_tempFileName1740a_Pyrargyrite_St.Andreasberg_HarzMtns_Germany%

1741a-2_Dumortierite_nearDehesa_CA_USA
1835
%_tempFileName1741a-2_Dumortierite_nearDehesa_CA_USA%

1742a_Annabergite_Cobalt_Ontario_Canada
1836
%_tempFileName1742a_Annabergite_Cobalt_Ontario_Canada%

1743a_Malachite_Bisbee_AZ_USA
1837
%_tempFileName1743a_Malachite_Bisbee_AZ_USA%

1744a_Atacamite_TesoroMine_SierraGordo_Chile
1838
%_tempFileName1744a_Atacamite_TesoroMine_SierraGordo_Chile%

1745a_QuartzvarMilky_HotSprings_AR_USA
1839
%_tempFileName1745a_QuartzvarMilky_HotSprings_AR_USA%

1746a_Quartz_MinasGerais_Brazil
1840
%_tempFileName1746a_Quartz_MinasGerais_Brazil%

1747a_Sphalerite, Quartz_HuaronMine_Peru
1841
%_tempFileName1747a_Sphalerite,%20Quartz_HuaronMine_Peru%

1748a-1_QuartzvarAmethyst_MinasGerais_Brazil
1842
%_tempFileName1748a-1_QuartzvarAmethyst_MinasGerais_Brazil%

1749a-1_QuartzvarAmethyst_MinasGerais_Brazil
1843
%_tempFileName1749a-1_QuartzvarAmethyst_MinasGerais_Brazil%

1750a-1_GarnetvarAlmandite_GoreMtnMine_NorthCreek_NY_USA
1844
%_tempFileName1750a-1_GarnetvarAlmandite_GoreMtnMine_NorthCreek_NY_USA%

© 2025 Charles Merguerian