ā Weight: 24.9 grams / 0.88 ounces
š Size Approx: (Ruler next to specimen in last photo)
š Stone Type: Mtorolite (Chrome Chalcedony)
šØ Primary Colors: Rich green, emerald green, dark forest green with occasional black or grey inclusions
⨠Features: Vibrant chromium-rich chalcedony with smooth texture and deep saturated color
š Stone Description:
This specimen is Mtorolite, also known as Chrome Chalcedony, a rare green variety of chalcedony sourced from Zimbabwe. It gets its name from the Mtoroshanga mining area, where it was first discovered, and is recognized for its striking emerald-green to blue-green coloration caused by natural chromium inclusions. High-quality mtorolite takes an exceptional polish and is highly prized by collectors and lapidary artists.
š Highlights:
Color Palette:
Deep emerald green, forest green, and blue-green tones, sometimes with subtle black, grey, or translucent areas.
Patterns:
Typically solid-colored with smooth flowing transitions, though some specimens may display mottling, faint banding, or natural matrix inclusions.
Hardness:
~6.5ā7 on the Mohs scale ā durable and excellent for cabbing, carving, or display.
Location:
Mtoroshanga region, Zimbabwe, Africa ā the classic and most well-known source of chrome chalcedony.
Formation:
Formed when silica-rich fluids containing chromium crystallized into chalcedony within host rock cavities. The chromium content is what produces the vivid emerald to blue-green coloration.
Rarity:
High ā Mtorolite is significantly rarer than common chalcedony varieties. Fine-quality material with strong green saturation and minimal fractures is highly collectible.
š¦ Additional Information:
šø Photos taken in studio lighting and direct light to highlight color, translucency, and polish.
š¦ I combine shipping ā check my shop for other agates, slabs, and rare mineral specimens.
š¦ Ships carefully and securely packaged.
š All items come from a smoke-free home.
š Note: Color may vary slightly depending on lighting and monitor settings. This is a natural, untreated stone.