Green & Red Marshy Heulandite Fan Crystal Cluster orange garnet The calcite displays notable luminescent

The calcite displays notable luminescent properties:

We also have the yellow variety

Pyrite is more stable than pyrrhotite and can replace it through a chemical reaction

Ammolite hand specimen with beautiful greens and orange

Size: 85 x 63 x 34 mm

Green & Red Marshy Heulandite Fan Crystal Cluster orange garnet The calcite displays notable luminescentBeautiful deep green & red marshy Heulandite fan cluster in trimmed basalt matrix. The deep green coloration is due to inclusions of chlorite celadonite, and the red areas have inclusions of iron hematite. The graduation of colors from deep green, to red, to clear, has such aesthetic appeal. This piece also has clear chalcedony balls scattered on the surface. From Jalgaon, N Maharashtra, India Size: 150 x 100 x 67 mm. 604 grams