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Huge, Apatite Crystals in Orange Calcite - Yates Mine, Quebec
These are apatite crystals in orange calcite that was collected from the Yates Mine in Quebec, Canada. The apatite crystals are olive-green and small amounts of purple fluorite can be found peppered throughout the calcite matrix. The longest apatite crystal is 5.75" long and the entire specimen measures 7.9 x 6.8".
About Apatite
Apatite is the name given to a generic group of isomorphous hexagonal phosphate minerals. Its name comes from the Greek word apatite, which means 'to deceive': this is because apatite often resembles other common hexagonal-habit minerals. Their bright, lustrous crystals are often found in vugs (small cavities in rock) associated with quartz and calcite. Many crystals are around an inch in length, though larger crystals up to about 4 inches long have been found.
Apatite is the name given to a generic group of isomorphous hexagonal phosphate minerals. Its name comes from the Greek word apatite, which means 'to deceive': this is because apatite often resembles other common hexagonal-habit minerals. Their bright, lustrous crystals are often found in vugs (small cavities in rock) associated with quartz and calcite. Many crystals are around an inch in length, though larger crystals up to about 4 inches long have been found.
About Calcite Crystals
Calcite crystals are a form of calcium carbonate (CaCO₃) known for their diverse shapes, transparency, and vibrant range of colors. They typically form in rhombohedral, scalenohedral, or prismatic shapes, often with well-defined, sharp edges and glossy surfaces. Calcite crystals are often translucent or transparent, sometimes displaying a double refraction effect where objects viewed through the crystal appear doubled. They can appear in various colors—white, clear, yellow, pink, blue, green, and orange—depending on impurities or trace minerals.
A notable characteristic of calcite is its reaction with weak acids like vinegar, which causes it to effervesce, or fizz, as it releases carbon dioxide. This property makes calcite crystals a key tool in geological identification and studies. Calcite forms in many environments, from sedimentary rocks like limestone and marble to hydrothermal veins.
Calcite crystals are a form of calcium carbonate (CaCO₃) known for their diverse shapes, transparency, and vibrant range of colors. They typically form in rhombohedral, scalenohedral, or prismatic shapes, often with well-defined, sharp edges and glossy surfaces. Calcite crystals are often translucent or transparent, sometimes displaying a double refraction effect where objects viewed through the crystal appear doubled. They can appear in various colors—white, clear, yellow, pink, blue, green, and orange—depending on impurities or trace minerals.
A notable characteristic of calcite is its reaction with weak acids like vinegar, which causes it to effervesce, or fizz, as it releases carbon dioxide. This property makes calcite crystals a key tool in geological identification and studies. Calcite forms in many environments, from sedimentary rocks like limestone and marble to hydrothermal veins.
SPECIES
Apatite, Fluorite & Calcite
LOCATION
Yates Mine, Otter Lake, Quebec
SIZE
7.9 x 6.8" entire specimen
CATEGORY
ITEM
#152176
