Duke Geological Laboratory

Stone Ridge, NY

Dukelabs Thumbnail Mineral Collection Gallery

2153a_Strengite_RockRun_AL.JPG
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2154_Vanadinite_ApacheMine_Globe_AZ.JPG
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2155a_Cerrusite-Calcite_Tsumeb_SWAfrica.JPG
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2155d_Cerrusite-Calcite_Tsumeb_SWAfrica.JPG
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2156a_Calcite_CuidaddelOro_Zacatecas_Mexico.JPG
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2157a_Enargite-Pyrite_Quiruvilca_Peru.JPG
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2158a_Ludlamite_LehmiCounty_ID.JPG
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2159a_Prehnite_VulcanQuarry_Manasas_VA.JPG
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2160a_Prehnite_FortLee_NJ.JPG
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2161a_Mimetite-Calcite_SantaEulalia_Chihuahua_Mexico.JPG
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2162a_Franklinite-Calcite-Willemite_NJZinc_Ogdensburg_NJ.JPG
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2163a_Pyrite_SullivanCreek_Sonora_CA.JPG
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2164a_Beryl_TollgateMine_Middletown_CT.JPG
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2164b_Beryl_TollgateMine_Middletown_CT.JPG
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2165a_Fluorite_Gersdorff_Saxony_Germany.JPG
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2166a_Rhodochrosite_LakeCity_CO.JPG
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2167_Silver-Barite_Coalquijuica_Peru.JPG
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2167a_Silver-Barite_Coalquijuica_Peru.JPG
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2168_Malachite-Calcite_LaQuellaMine_Mapimi_Durango_Mexico.JPG
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2169_Azurite_Bisbee_AZ.JPG
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2170_Azurite_CopperQueenMine_Bisbee_AZ.JPG
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© 2025 Charles Merguerian