Raw Black Tourmaline Cathedral (250g, 500g Lot) - (35mm - 60mm)
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Lot of natural rough black tourmaline crystals. You get 250g or 500g lot of black tourmaline cathedral stones (35mm - 60mm) very similar to appear in image above, picked at random. Please expect some slight variation in terms of color, transparency, size and shape, as there are some variations unique for each stone.
Raw cathedral tourmaline retains its natural shape, featuring an irregular texture and an authentic prismatic crystalline structure that reflect its geological origin. Each piece may exhibit natural cracks, striations, minor fractures, and mineral inclusions (such as quartz, white mica, iron oxides, or others), all of which are characteristic of an unpolished, natural crystal. Due to these inherent natural properties, it is normal for small particles or mineral dust to shed from the surface. This is a natural aspect of its raw state and is not considered a defect.
Type: Black Tourmaline
Color: Black
Transparency: Opaque
Mohs hardness: 7 - 7,5
Polished: Not polished
Shape: Rod
Approx measurements: 35mm - 60mm x 15mm - 20mm/1,3" - 2,3" x 0,6" - 0,8"
Approx weight: 10g - 40g
Origin: Madagascar