Verdite Identification Guide
A field guide to Verdite, the green fuchsite-rich metamorphic carving rock, and how to separate it from jade and serpentine.
Read the full Verdite encyclopedia entry →
What Verdite Looks Like
Verdite is a metamorphic rock, not a single mineral. It is composed largely of green chromium-bearing mica (fuchsite) with clay minerals and flecks of other minerals.
- Color: deep green, often mottled with darker green, brown, red or yellow patches and pale spots.
- Luster: dull to slightly waxy or silky (from the mica); takes a smooth polish.
- Transparency: opaque.
- Texture: fine-grained, compact, sometimes with a faint sheen or sparkle from mica flakes; frequently mottled or veined.
Step-by-Step Field Checklist
- Note the opacity and mottling. Verdite is uniformly opaque green with irregular color blotches.
- Look for mica sparkle. Under a loupe, tiny reflective fuchsite flakes catch the light.
- Test hardness. It is relatively soft; a steel knife scratches it (Mohs ~3-5, varies by composition).
- Check the feel. Smooth, slightly soapy or waxy where mica-rich.
- Carving evidence. Verdite is a traditional African carving stone, so worked pieces are common.
Key Diagnostic Tests
- Mohs hardness: roughly 3-5 (softer than jade); easily worked, which is why it is a carving material.
- Streak: pale greenish white.
- Cleavage/Fracture: no rock cleavage; mica flakes give a flaky micro-texture; uneven fracture.
- Density: moderate, ~2.7-3.0 g/cm3.
- Acid: generally no reaction (unless carbonate-bearing impurities).
Common Look-Alikes
- Jade (jadeite/nephrite): much harder (6-7) and extremely tough; a knife will NOT scratch true jade, but it scratches Verdite.
- Serpentine: also soft and green but typically more translucent and waxy with no mica sparkle; serpentine feels greasier.
- Fuchsite quartzite (green aventurine): harder (quartz-dominated, Mohs 7) with bright glittery flecks in a translucent matrix.
- Malachite: banded/concentric green and reacts (fizzes) to acid; Verdite does not band that way and is acid-inert.
Where It Is Found
Verdite is best known from South Africa (the Barberton greenstone belt) and Zimbabwe, where it is quarried as an ornamental carving stone. Similar fuchsite-rich rocks occur in other ancient greenstone terranes.
Frequently asked questions
What is Verdite made of?
Verdite is a metamorphic rock made mostly of the green chromium-rich mica fuchsite, mixed with clay minerals and minor accessory minerals, giving its mottled green appearance.
Is Verdite the same as jade?
No. Verdite is softer (Mohs ~3-5) and a steel knife scratches it, whereas true jade is harder (6-7) and extremely tough, resisting a knife.
How can you tell real Verdite?
Look for an opaque, mottled green stone with tiny sparkly mica flakes under a loupe, a relatively soft surface that a knife can scratch, and a smooth waxy polish.
Verdite vs serpentine, what's the difference?
Both are soft and green, but Verdite shows mica sparkle and is more opaque, while serpentine is greasier, often more translucent, and lacks the micaceous glitter.