A captivating display of color, texture, and natural crystal growth, this remarkable Fluorite on Pyrite with Galena specimen comes from the celebrated Atacocha Mine in Peru's Cerro de Pasco mining region.
Clusters of translucent sea-green fluorite emerge from a richly crystallized matrix of golden pyrite, accented by silver galena. The fluorite ranges from delicate mint green to deeper emerald tones, with glassy surfaces, intricate internal features, and beautifully intergrown crystal formations. The pyrite creates a striking metallic foundation, its countless tiny crystals shimmering against the soft green fluorite.
Under ultraviolet light, the fluorite reveals another remarkable characteristic: brilliant electric-blue fluorescence. The transformation from soft green to intense blue creates two dramatically different presentations within a single natural mineral specimen.
With its contrasting mineral associations, dimensional crystal growth, and substantial presence, this exceptional Peruvian specimen is a wonderful addition to a fine mineral collection.
Dimensions: 3.5 × 3 × 3 inches
Weight: 624 grams
Locality: Atacocha Mine, Atacocha Mining District, Cerro de Pasco, Pasco Province, Peru
Fluorite: Traditionally associated with mental clarity, concentration, and emotional balance. Green fluorite is especially connected with renewal, personal growth, and harmony.
Galena: Considered a grounding mineral in crystal traditions, galena is associated with stability, self-reflection, and inner strength.
Pyrite: Often called Fool's Gold, pyrite symbolizes confidence, prosperity, motivation, and protection. It is frequently associated with determination and positive action.
Together, these minerals are traditionally believed to encourage grounded thinking, renewed focus, and confidence. These associations are spiritual traditions rather than scientifically established effects.
The Atacocha mining district in Peru's Andes is known for its remarkable mineral diversity, including beautiful associations of fluorite and metallic sulfide minerals. Vivid green fluorite specimens from this region began attracting considerable collector attention around 2020, introducing a distinctive new source of highly collectible Peruvian fluorite.
One fascinating feature of this specimen is the abundance of finely crystallized pyrite. Although pyrite is commonly nicknamed Fool's Gold, its natural crystal formations can be just as captivating as its metallic color. Pyrite belongs to the cubic crystal system and can form sharp cubes, twelve-faced pyritohedrons, and intricate intergrown clusters.
The fluorite offers an equally fascinating transformation under ultraviolet light. Certain impurities and structural features within fluorite can cause fluorescence, a phenomenon in which ultraviolet energy is absorbed and re-emitted as visible light. This specimen's striking blue response provides a dramatic contrast to its natural green coloration.
The association of fluorite, pyrite, and galena also tells a geological story. These minerals can crystallize from mineral-rich hydrothermal fluids circulating through fractures and cavities deep within the Earth. As chemical and temperature conditions change, different minerals grow together, creating the remarkable natural combinations sought by collectors.
Translucent sea-green to emerald-green fluorite crystals
Brilliant electric-blue fluorescence under ultraviolet light
Abundant golden pyrite with intricate crystalline texture
Excellent Color
High contrast
Brilliant luster
Rare
Fluorite
Mineral: Fluorite
Chemical Formula: CaF₂
Crystal System: Isometric (Cubic)
Luster: Vitreous
Transparency: Transparent to translucent
Mohs Hardness: 4
Streak: White
Cleavage: Perfect octahedral
Specific Gravity: Approximately 3.18
Crystal Habit: Modified cubic and octahedral crystal forms
Special Property: Blue fluorescence under ultraviolet light
Pyrite
Mineral: Pyrite
Chemical Formula: FeS₂
Crystal System: Isometric (Cubic)
Luster: Metallic
Transparency: Opaque
Mohs Hardness: 6–6.5
Streak: Greenish-black to brownish-black
Cleavage: Indistinct
Specific Gravity: Approximately 5.0
Crystal Habit: Cubic crystals, pyritohedrons, and crystalline aggregates
Galena
Mineral: Galena
Chemical Formula: PbS
Crystal System: Isometric (Cubic)
Luster: Metallic
Transparency: Opaque
Mohs Hardness: 2.5–2.75
Streak: Lead-gray
Cleavage: Perfect cubic
Specific Gravity: 7.4–7.6
Crystal Habit: Cubic crystals, intergrowths, and crystalline aggregates
Handling Note: Galena contains lead. Wash hands after handling, avoid creating or inhaling mineral dust, and keep the specimen away from children who may place objects in their mouths.
A captivating display of color, texture, and natural crystal growth, this remarkable Fluorite on Pyrite with Galena specimen comes from the celebrated Atacocha Mine in Peru's Cerro de Pasco mining region.
Clusters of translucent sea-green fluorite emerge from a richly crystallized matrix of golden pyrite, accented by silver galena. The fluorite ranges from delicate mint green to deeper emerald tones, with glassy surfaces, intricate internal features, and beautifully intergrown crystal formations. The pyrite creates a striking metallic foundation, its countless tiny crystals shimmering against the soft green fluorite.
Under ultraviolet light, the fluorite reveals another remarkable characteristic: brilliant electric-blue fluorescence. The transformation from soft green to intense blue creates two dramatically different presentations within a single natural mineral specimen.
With its contrasting mineral associations, dimensional crystal growth, and substantial presence, this exceptional Peruvian specimen is a wonderful addition to a fine mineral collection.
Dimensions: 3.5 × 3 × 3 inches
Weight: 624 grams
Locality: Atacocha Mine, Atacocha Mining District, Cerro de Pasco, Pasco Province, Peru
Fluorite: Traditionally associated with mental clarity, concentration, and emotional balance. Green fluorite is especially connected with renewal, personal growth, and harmony.
Galena: Considered a grounding mineral in crystal traditions, galena is associated with stability, self-reflection, and inner strength.
Pyrite: Often called Fool's Gold, pyrite symbolizes confidence, prosperity, motivation, and protection. It is frequently associated with determination and positive action.
Together, these minerals are traditionally believed to encourage grounded thinking, renewed focus, and confidence. These associations are spiritual traditions rather than scientifically established effects.
The Atacocha mining district in Peru's Andes is known for its remarkable mineral diversity, including beautiful associations of fluorite and metallic sulfide minerals. Vivid green fluorite specimens from this region began attracting considerable collector attention around 2020, introducing a distinctive new source of highly collectible Peruvian fluorite.
One fascinating feature of this specimen is the abundance of finely crystallized pyrite. Although pyrite is commonly nicknamed Fool's Gold, its natural crystal formations can be just as captivating as its metallic color. Pyrite belongs to the cubic crystal system and can form sharp cubes, twelve-faced pyritohedrons, and intricate intergrown clusters.
The fluorite offers an equally fascinating transformation under ultraviolet light. Certain impurities and structural features within fluorite can cause fluorescence, a phenomenon in which ultraviolet energy is absorbed and re-emitted as visible light. This specimen's striking blue response provides a dramatic contrast to its natural green coloration.
The association of fluorite, pyrite, and galena also tells a geological story. These minerals can crystallize from mineral-rich hydrothermal fluids circulating through fractures and cavities deep within the Earth. As chemical and temperature conditions change, different minerals grow together, creating the remarkable natural combinations sought by collectors.
Translucent sea-green to emerald-green fluorite crystals
Brilliant electric-blue fluorescence under ultraviolet light
Abundant golden pyrite with intricate crystalline texture
Excellent Color
High contrast
Brilliant luster
Rare
Fluorite
Mineral: Fluorite
Chemical Formula: CaF₂
Crystal System: Isometric (Cubic)
Luster: Vitreous
Transparency: Transparent to translucent
Mohs Hardness: 4
Streak: White
Cleavage: Perfect octahedral
Specific Gravity: Approximately 3.18
Crystal Habit: Modified cubic and octahedral crystal forms
Special Property: Blue fluorescence under ultraviolet light
Pyrite
Mineral: Pyrite
Chemical Formula: FeS₂
Crystal System: Isometric (Cubic)
Luster: Metallic
Transparency: Opaque
Mohs Hardness: 6–6.5
Streak: Greenish-black to brownish-black
Cleavage: Indistinct
Specific Gravity: Approximately 5.0
Crystal Habit: Cubic crystals, pyritohedrons, and crystalline aggregates
Galena
Mineral: Galena
Chemical Formula: PbS
Crystal System: Isometric (Cubic)
Luster: Metallic
Transparency: Opaque
Mohs Hardness: 2.5–2.75
Streak: Lead-gray
Cleavage: Perfect cubic
Specific Gravity: 7.4–7.6
Crystal Habit: Cubic crystals, intergrowths, and crystalline aggregates
Handling Note: Galena contains lead. Wash hands after handling, avoid creating or inhaling mineral dust, and keep the specimen away from children who may place objects in their mouths.
