Where is Apatite found?
Apatite Group
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Open the appApatite occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Apatite
Brazil
Known for producing gem-quality apatite, particularly in Minas Gerais.
Mexico
Significant deposits of gem-quality apatite, especially in Durango.
Canada
Large deposits of industrial apatite, particularly in Ontario and Quebec. Also known for fine mineral specimens.
Russia
Kola Peninsula is famous for vast apatite deposits, primarily for industrial use.
United States
Found in various states, including Maine, California, and New York, often as accessory minerals in pegmatites and metamorphic rocks.
Norway
Historically important source of apatite, particularly in the Kragerø region.
Collecting tips
- Check for Hexagonal Crystals. Apatite often forms distinctive hexagonal prismatic crystals, which can be a key identifier in the field.
- Assess Hardness. With a Mohs hardness of 5, apatite can be scratched by a steel file but will scratch glass. This helps distinguish it from harder minerals like beryl (7.5-8) or quartz (7).
- Observe Luster. Its vitreous to sub-resinous luster is characteristic. Gem-quality specimens can be quite brilliant.
- Look for Associated Minerals. In igneous rocks, apatite is often found with feldspar, quartz, mica, and hornblende. In metamorphic rocks, it can be associated with calcite, dolomite, and various silicates.
- Consider Geological Context. Knowing the local geology (e.g., pegmatite dikes, carbonatite intrusions, metamorphic terrains) can narrow down the possibilities for finding apatite.
Quick Check
- Color:
- Variable (green, blue, yellow, brown, pink, purple, colorless, white)
- Luster:
- Vitreous to sub-resinous
- Streak:
- White
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