Green aventurine is a translucent variety of quartz characterized by its shimmering, glittery effect known as aventurescence, caused by inclusions of green fuchsite mica. It is typically found in massive, granular forms and is highly sought after by lapidary artists for cabochons and decorative carvings. It is easily distinguished from jade by its distinct sparkly inclusions under magnification.
Is this green aventurine?
5-step field checkRun through these checks against the specimen in your hand. The more boxes tick, the more confident the ID.
- 1Test the hardnessTry to scratch green aventurine with a known reference. Green Aventurine sits at Mohs 6.5-7 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Green Aventurine leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Green Aventurine typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: green, light green, dark green, olive green.
- 5Look at form & habitCrystal system: trigonal. Typical habit: massive.
Often confused with
Green Aventurine vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside green aventurine
Minerals reported to co-occur with green aventurine. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- SiO₂
- Mohs hardness
- 6.5-7
- Density
- 2.64-2.69 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Translucent
- Crystal system
- Trigonal
- Crystal habit
- Massive
- Cleavage
- None
- Rarity
- Common
- Uses
- Lapidary, Decorative, Jewelry, Collector
- Host rock
- Metamorphic Rocks
- Typical price
- $5-30 for tumbled stones or small slabs, $50-200 for high-quality spheres or carvings.
Where rockhounds find green aventurine
1 mapped spotsClassic worldwide localities
- India
- Brazil
- Russia
- Austria
- Tanzania
Field-hunting tip
Look in metamorphic rocks country — that is the host setting where green aventurine typically forms. If you start seeing quartz, fuchsite, mica in float, you are in the right ground. Field specimens usually show a massive habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in Vermont — start trip planning there.
Common questions
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Find green aventurine on the map
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