Hexagonal calcite on pyrite – rare formation - Height: 100 mm - Width: 68 mm- 417 g





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Holds BSc in geology and post-graduate qualifications in geochemistry.
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Description from the seller
This collectible specimen comes from the renowned Huanzala Mine, one of Peru's most prolific mineralogical sites and famous for the quality of its crystalline combinations. The sample features a richly crystallized matrix of pyrite, with golden metallic reflections that add brightness and depth to the piece. In striking aesthetic contrast, numerous transparent calcite crystals develop, exhibiting a rare hexagonal habit that is extremely well-defined, with perfectly sharp and satinated terminations.
The calcite crystals are harmoniously distributed across the entire matrix, forming a three-dimensional 'bouquet' of high aesthetic and crystallographic value. This formation is rare even by Huanzala standards, where calcite more commonly appears in scalenohedral or rhombohedral habits rather than hexagonal.
The quality of transparency and the balance between the crystalline volumes and the underlying matrix make this piece a true gem for collectors, ideal for both mineralogical exhibitions and museum collections.
Location: Huanzala Mine, Huallanca, Ancash Region, Peru
Minerals present: Calcite (hexagonal), Pyrite.
Hexagonal morphology rarity, uncommon for the locality.
Seller's Story
This collectible specimen comes from the renowned Huanzala Mine, one of Peru's most prolific mineralogical sites and famous for the quality of its crystalline combinations. The sample features a richly crystallized matrix of pyrite, with golden metallic reflections that add brightness and depth to the piece. In striking aesthetic contrast, numerous transparent calcite crystals develop, exhibiting a rare hexagonal habit that is extremely well-defined, with perfectly sharp and satinated terminations.
The calcite crystals are harmoniously distributed across the entire matrix, forming a three-dimensional 'bouquet' of high aesthetic and crystallographic value. This formation is rare even by Huanzala standards, where calcite more commonly appears in scalenohedral or rhombohedral habits rather than hexagonal.
The quality of transparency and the balance between the crystalline volumes and the underlying matrix make this piece a true gem for collectors, ideal for both mineralogical exhibitions and museum collections.
Location: Huanzala Mine, Huallanca, Ancash Region, Peru
Minerals present: Calcite (hexagonal), Pyrite.
Hexagonal morphology rarity, uncommon for the locality.
Seller's Story
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It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.
