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Hajar | profile | all galleries >> Mineral Galleries >> Crystal Twins >> Twins of Trigonal Minerals tree view | thumbnails | slideshow

Twins of Trigonal Minerals

Quartz
Quartz
Calcite Twins
Calcite Twins
Hematite Twins
Hematite Twins
Corundum Twins
Corundum Twins
Calcite twins to 65 mm (15 of them) on baryte on sphalerite,  Elmwood, Tennessee Cinnabar Twins
Cinnabar Twins