Amber-colored quartz, typically known as citrine, is highly prized for its warm, golden hue. While much of the material on the market is heat-treated amethyst, natural amber-tinted quartz can be distinguished by its distinct trigonal crystal habit and lack of cleavage.
Is this amber quartz?
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 amber quartz with a known reference. Amber Quartz sits at Mohs 7 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Amber Quartz leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Amber Quartz typically shows a vitreous luster.
- 4Match the color rangeCompare against the expected color range: yellow, orange, brownish-yellow, golden.
- 5Look at form & habitCrystal system: trigonal. Typical habit: prismatic crystals.
Often confused with
Amber Quartz vs. its common look-alikes — and how to tell them apart in the field.
How to tell apart: Topaz is the harder of the two (Mohs 8 vs. 7).
How to tell apart: Yellow Sapphire is the harder of the two (Mohs 9 vs. 7); streak differs — Amber Quartz leaves white, Yellow Sapphire leaves none.
Often found alongside amber quartz
Minerals reported to co-occur with amber quartz. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- SiO₂
- Mohs hardness
- 7
- Density
- 2.65 g/cm³
- Streak
- White
- Luster
- Vitreous
- Transparency
- Transparent
- Crystal system
- Trigonal
- Crystal habit
- Prismatic Crystals
- Cleavage
- None
- Rarity
- Common
- Uses
- Gemstone, Lapidary, Collector, Jewelry
- Host rock
- Hydrothermal Veins, Pegmatites
- Typical price
- $5-50 thumbnail, $50-500 cabinet
Where rockhounds find amber quartz
1 mapped spotsClassic worldwide localities
- Brazil
- Madagascar
- USA
- Russia
- Spain
Field-hunting tip
Look in hydrothermal veins, pegmatites country — that is the host setting where amber quartz typically forms. If you start seeing amethyst, smoky quartz, microcline in float, you are in the right ground. Field specimens usually show a prismatic crystals habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in North Carolina — start trip planning there.
Common questions
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Find amber quartz on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
