Mandarin garnet is a trade name for gem-quality, vibrant orange spessartine garnet. It is highly prized by collectors for its intense, electric orange hue and high refractive index, which provides exceptional brilliance.
Is this mandarin garnet?
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 mandarin garnet with a known reference. Mandarin Garnet sits at Mohs 7-7.5 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Mandarin Garnet leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Mandarin Garnet typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: orange, reddish-orange.
- 5Look at form & habitCrystal system: isometric. Typical habit: dodecahedral, trapezohedral, or rounded grains.
Often confused with
Mandarin Garnet vs. its common look-alikes — and how to tell them apart in the field.
Often found alongside mandarin garnet
Minerals reported to co-occur with mandarin garnet. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Mn₃Al₂Si₃O₁₂
- Mohs hardness
- 7-7.5
- Density
- 4.12-4.18 g/cm³
- Colors
- Streak
- White
- Luster
- Vitreous
- Transparency
- Transparent
- Crystal system
- Isometric
- Crystal habit
- Dodecahedral, Trapezohedral, Or Rounded Grains
- Cleavage
- None
- Rarity
- Rare
- Uses
- Gemstone, Collector
- Host rock
- Granite Pegmatites, Metamorphic Rocks
- Typical price
- $100-1000 per carat depending on saturation and clarity
Where rockhounds find mandarin garnet
Classic worldwide localities
- Kunene Region, Namibia
- Nigeria
- Madagascar
- Brazil
Field-hunting tip
Look in granite pegmatites, metamorphic rocks country — that is the host setting where mandarin garnet typically forms. If you start seeing albite, microcline, muscovite in float, you are in the right ground. Field specimens usually show a dodecahedral, trapezohedral, or rounded grains habit, so train your eye for that shape before scanning the outcrop.
Common questions
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Find mandarin garnet on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
