
mineral
Small blue-green mineral fragment, possibly apatite or beryl
Tentatively fluorapatite, Ca₅(PO₄)₃(F,Cl,OH), or beryl, Be₃Al₂Si₆O₁₈
AI-generated identification · may be incorrectTiny translucent blue-green fragment with vitreous luster and uneven fracture; apparent hardness is roughly 5–6.5 Mohs, but size and image quality prevent reliable determination of cleavage or specific gravity.
Identified More mineral →
Explore Small blue-green mineral fragment, possibly apatite or beryl in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Tiny translucent blue-green fragment with vitreous luster and uneven fracture; apparent hardness is roughly 5–6.5 Mohs, but size and image quality prevent reliable determination of cleavage or specific gravity.
Formation & geological history
Such crystals form in hydrothermal veins, pegmatites, or metamorphic rocks; the specimen’s geological age and locality cannot be established from the image alone.
Uses & applications
Apatite is mainly a phosphate ore and collector mineral; blue beryl varieties may be gemstones, though this fragment is too small and rough for commercial jewelry.
Geological facts
Color and shape are insufficient for confident identification; apatite, beryl, turquoise, fluorite, and glass can look similar at this scale.
Field identification & locations
Confirm with hardness, streak, density, crystal habit, and locality information: apatite is commonly hexagonal and scratches glass weakly, while beryl is harder and typically forms six-sided prismatic crystals. Common sources include Brazil, Madagascar, Pakistan, Mexico, and the United States.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Pegmatite with Tourmaline and Quartz
Igneous Pegmatite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous