Duke Geological Laboratory

Stone Ridge, NY

Dukelabs CT Mines and Minerals Gallery

Kyanite2_WestTorringtonCTCrop
22

LongHillX_TrumbullCTCrop
23

LongHillX2_TrumbullCTCrop
24

Magnesium_CanaanCTCrop
25

Malachite_NewBritainCTCrop
26

Malachite2_NewBritainCTCrop
27

MalachiteBarite_BristolCTCrop
28

MalachiteBarite_CheshireCTCrop
29

MalachiteQuartz_NewBritainCTCrop
30

Margarite_LongHillXTrumbullCTCrop
31

Meta-Autunite_BranchvilleCTCrop
32

Meta-Autunite2_BranchvilleCTCrop
33

PLaJukeCrop
34

PlumoseMuscovite_WoodburyCTCrop
35

Pyrite_LongHillXTrumbullCTCrop
36

Pyrite_ThomastonCTCrop
37

Pyrite-Wurtzite_ThomastonCTCrop
38

Spodumene_StricklandQuarryCTCrop
39

Staurolite_WestTorringtonCTCrop
40

Stilbite_ThomastonCTCrop
41

Tremolite_CanaanCTCrop
42

© 2025 Charles Merguerian