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. Streak: white.
- 3Read the lusterHold the specimen under a strong light. Luster: vitreous to subresinous.
- 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.
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
Where rockhounds find yellow apatite
1 mapped spotsClassic worldwide localities
- Durango, Mexico
- Cerro de Mercado, Mexico
- Spain
- Brazil
- Canada
Field-hunting tip
Where it forms: pegmatites, contact metamorphic rocks, and hydrothermal veins. If you start seeing calcite, quartz, diopside in float, you are in the right ground. Typical habit: prismatic, tabular, or massive. 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.
More yellow apatite photos
Common questions
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What rocks look like yellow apatite?+
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Find yellow apatite on the map
RockHoundR shows mapped rockhounding spots, access rules, and lets you log every find.
