Pink grossular dodecahedrons and yellow non-fluorescent vesuvianite in a matrix of quartz and calcite, from the famous deposit in Sierra...

Tiny (1mm) colorless to brown zunyite crystals in quartz matrix, fluorescing deep red in SW. Yellow-fluorescing microcrystals of what is...

This material is variously called chalcedony, agate, or pastellite jasper. It comes from an area south of Burro Creek. Pale blue in white...