Description
Large Natural Almandine Garnet Specimen – Madagascar
This impressive Large Almandine Garnet specimen from Madagascar is a genuine natural crystal, carefully selected for its rich colour, strong crystal character, and collector appeal. Offered from the Alice Purnell Collection, this piece includes a Certificate of Authenticity lifetime guarantee generic card. The photographs show the exact specimen you will receive, and full sizing details are provided in the listing images.
Almandine garnet is one of the most recognised and desirable garnet varieties, admired for its deep red to reddish-brown tones and classic crystal forms. Madagascan garnets are especially sought after for their quality and striking natural presence.
Mineral Information – Almandine Garnet
Almandine is an iron-aluminium garnet with the chemical formula Fe₃Al₂(SiO₄)₃. It belongs to the garnet group of nesosilicate minerals and crystallises in the cubic crystal system.
Garnets commonly form well-shaped dodecahedral or trapezohedral crystals, often displaying natural crystal faces with a vitreous lustre. Almandine is valued for its strong colour saturation, ranging from dark wine-red to warm brownish-red depending on trace elements and locality conditions.
With a Mohs hardness of approximately 7 to 7.5, garnet is a durable mineral, making it excellent for long-term display and collection. Natural garnet crystals may show subtle surface textures or growth features that reflect their geological development.
Geological Origin – Madagascar Garnet Deposits
Madagascar is one of the world’s most important sources of high-quality garnet specimens. Almandine garnets typically form in metamorphic rocks such as schists and gneisses, where high temperatures and pressures allow garnet crystals to grow during regional metamorphism.
Over millions of years, these conditions create well-developed garnet crystals embedded within their host rock or occurring as weathered, naturally separated specimens. Madagascan garnets are internationally recognised for their size, colour, and excellent crystal habit.
Garnets are often associated with minerals such as mica, quartz, and feldspar, reflecting the complex metamorphic environments in which they form.
Collector and Display Appeal
A large Almandine garnet specimen makes a bold addition to any mineral collection. Its deep red colour and strong natural crystal form make it highly attractive for display cabinets, educational collections, and geology enthusiasts.
This specimen is ideal for:
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Mineral and crystal collectors
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Garnet species and locality collectors
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Natural history and geology displays
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Unique gifts for collectors and nature lovers
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Interior décor featuring authentic natural minerals
Garnet has also been traditionally associated with spiritual symbolism in various cultures, though it is primarily appreciated today for its geological significance, durability, and striking appearance.
Authenticity and Provenance
This crystal is a genuine natural Almandine Garnet specimen from Madagascar and comes from the Alice Purnell Collection. It includes a Certificate of Authenticity lifetime guarantee generic card, confirming it as an authentic mineral specimen.
You will receive the exact piece shown in the photographs, carefully chosen for its size, colour, and collector presentation.
A Madagascan Almandine garnet like this is a timeless collector’s mineral, offering a remarkable example of Earth’s metamorphic processes and the natural beauty of deep red garnet crystal growth.





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