10 قطع من عينات الفحم الأنثراسايت الخام - صخور الوقود الأحفوري عالي الكربون للتجميع والاستخدام التعليمي
مميزات خاصة
- 10 raw anthracite coal pieces per divided plastic box, preserving their natural luster and hard texture.
- High-carbon content (90%+), distinguishing it from other coal types, perfect for energy or geology studies.
- Shiny black surface with conchoidal fracture, making it visually distinct for collectors or classroom displays.
- Suitable for demonstrating fossil fuel formation or as a reference sample in mineralogy courses.
- GeLaozee's strict sourcing ensures each piece is authentic anthracite, free from low-grade coal impurities.
وصف
Raw Anthracite Coal Specimens
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