Dark Gray Agatized Botryoidal Chalcedony – High Contrast – Maharashtra, India astrophyllite with red / copper color

with red / copper color rutile in a few areas

Size: 26 x 17 x 10 mm

Size: 90 x 70 x 50 mm

where minerals like halite crystallize out of the brine as the water evaporates

The magnetite crystals are present throughout the body of the piece and show up as tiny black crystals under a microscope

Dark Gray Agatized Botryoidal Chalcedony – High Contrast – Maharashtra, India astrophyllite with red / copper colorA striking and uncommon specimen of dark gray botryoidal chalcedony with contrasting white silica deposition. The piece combines smooth, rounded botryoidal forms with fine micro textured chalcedony surfaces, creating a visually dynamic and sculptural display. The coloration indicates agatization, distinguishing it from more typical pale chalcedony material. Subtle variations in lusterfrom glossy domes to finely textured areasreflect multiple stages of