Yellow apatite is a sought-after gem-quality variety known for its vibrant, clean golden hues. Collectors typically look for well-formed hexagonal prisms or faceted stones from Mexican localities, where it is often associated with volcanic rocks.
Is this yellow apatite?
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 yellow apatite with a known reference. Yellow Apatite sits at Mohs 5 — softer than the next harder reference, harder than the previous one.
- 2Check the streakDrag the specimen across an unglazed porcelain plate. Yellow Apatite leaves a white streak.
- 3Read the lusterHold the specimen under a strong light. Yellow Apatite typically shows a vitreous to subresinous luster.
- 4Match the color rangeCompare against the expected color range: yellow, golden yellow, honey yellow.
- 5Look at form & habitCrystal system: hexagonal. Typical habit: prismatic, tabular, or massive.
Often confused with
Yellow Apatite vs. its common look-alikes — and how to tell them apart in the field.
How to tell apart: Beryl is the harder of the two (Mohs 7.5-8 vs. 5); luster reads vitreous to subresinous on Yellow Apatite and vitreous on Beryl.
How to tell apart: Citrine is the harder of the two (Mohs 7 vs. 5); luster reads vitreous to subresinous on Yellow Apatite and vitreous on Citrine.
How to tell apart: Topaz is the harder of the two (Mohs 8 vs. 5); luster reads vitreous to subresinous on Yellow Apatite and vitreous on Topaz.
Often found alongside yellow apatite
Minerals reported to co-occur with yellow apatite. Spotting these in float or country rock is a strong cue you are in the right ground.
All properties
- Chemical formula
- Ca₅(PO₄)₃(F,Cl,OH)
- Mohs hardness
- 5
- Density
- 3.1-3.2 g/cm³
- Streak
- White
- Luster
- Vitreous to Subresinous
- Transparency
- Transparent
- Crystal system
- Hexagonal
- Crystal habit
- Prismatic, Tabular, Or Massive
- Cleavage
- Poor On {0001}
- Fluorescence
- Often Fluorescent Yellow or Blue Under UV Light
- Rarity
- Uncommon
- Uses
- Gemstone, Collector
- Host rock
- Pegmatites, Contact Metamorphic Rocks, And Hydrothermal Veins
- Typical price
- $20-200 per carat depending on clarity and color saturation
Where rockhounds find yellow apatite
1 mapped spotsClassic worldwide localities
- Durango, Mexico
- Cerro de Mercado, Mexico
- Spain
- Brazil
- Canada
Field-hunting tip
Look in pegmatites, contact metamorphic rocks, and hydrothermal veins country — that is the host setting where yellow apatite typically forms. If you start seeing calcite, quartz, diopside in float, you are in the right ground. Field specimens usually show a prismatic, tabular, or massive habit, so train your eye for that shape before scanning the outcrop. In the U.S., the densest reported localities are in Virginia — start trip planning there.
Common questions
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Find yellow apatite on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
