Fluorescent Hexagonal Sandwich Calcite Crystals with Hedenbergite on Matrix Indonesian minerals Karas Region

Karas Region

Minor phlogopite also present

This is a beautiful

No fluorescence in this piece

Size: 118 x 75 x 70 mm

Fluorescent Hexagonal Sandwich Calcite Crystals with Hedenbergite on Matrix Indonesian minerals Karas RegionMultiple hexagonal "sandwich" calcite crystals in a stacked formation on matrix. Each stacked, tabular hexagonal calcite crystal shows an interlayering of white and clear greenish calcite. The clear light green layer has an alternating point up point down triangular geometry visible on the side faces. Slight green tint is from hedenbergite. The hexagonal calcite crystals fluoresce vibrant orange under 365nm long wave ultraviolet light. This piece is