أدلة علم المعادن
أدلة شاملة لهواة ومجمعي المعادن.
Crystal Systems and Formation
Deep dive into crystallography, crystal growth, and the physics of mineral formation.
The Seven Crystal Systems Explained
Cubic, tetragonal, orthorhombic, hexagonal, trigonal, monoclinic, and triclinic systems; symmetry elements and examples of each.
8 دقيقة قراءة
1650 كلمات
How Crystals Grow: From Atoms to Specimens
Nucleation, growth mechanisms, supersaturation, crystal habit modifiers, twinning, and epitaxy explained.
9 دقيقة قراءة
1710 كلمات
Crystal Habits and Forms: Why Minerals Look the Way They Do
Prismatic, tabular, acicular, botryoidal, dendritic habits; how the growth environment affects crystal form.
8 دقيقة قراءة
1680 كلمات
Color in Minerals: The Science of Mineral Color
Idiochromatic vs allochromatic color, color centers, pleochroism, fluorescence, phosphorescence, and thermoluminescence.
9 دقيقة قراءة
1720 كلمات
Growing Crystals at Home: A Practical Guide
Alum, sugar, copper sulfate, and bismuth crystals; equipment needed, step-by-step instructions, and safety considerations.
9 دقيقة قراءة
1730 كلمات