Minerals
75mm Shungite Pyramid from Russia | Natural Carbon Mineral Crystal
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This Natural Raw Ruby crystal from Madagascar is a compact corundum mineral specimen weighing 28.6 grams and measuring 25 × 24 × 17 mm. Its natural form makes it well suited for mineral collections, crystal displays, gemstone study, or collectors seeking authentic Madagascar Ruby specimens.
Ruby is the red variety of corundum and is valued for its color, durability, and geological significance. Natural Ruby crystals can show variations in texture, shape, opacity, and color depending on their formation and mineral environment.
Mineral: Corundum
Variety: Ruby
Chemical Composition: Aluminum oxide, Al₂O₃
Crystal System: Trigonal
Mohs Hardness: 9
Luster: Vitreous to adamantine
Transparency: Transparent to opaque
Origin: Madagascar
Weight: 28.6 grams
Dimensions: 25 × 24 × 17 mm
Form: Raw natural crystal specimen
Ruby ranks 9 on the Mohs hardness scale, making corundum one of the hardest naturally occurring minerals. Its red coloration is typically associated with chromium within the crystal structure.
In crystal traditions, Ruby is associated with passion, vitality, confidence, courage, motivation, strength, and personal power. Many crystal enthusiasts also connect Ruby with grounding, determination, and heart-centered energy.
These metaphysical associations are based on traditional crystal beliefs and are not intended as medical or therapeutic claims.
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