Hierarchy view
This concept is obsolete
علم المجوهرات
Concept overview
Description
فرع علم المعادن الذي يدرس الأحجار الكريمة الطبيعية والاصطناعية.
Skill type
knowledge
Skill reusability level
occupation specific skills and competences
Relationships
Broader concepts
Essential for
Concept status
Status
released