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Introduction
What is pyrite?
Pyrite in other minerals
CHAPTER II: CRYSTAL SHAPES
What is a crystal?
Pyrite shapes
CHAPTER III: MORE FACTS ABOUT CRYSTALS
CHAPTER IV: HOW TO DETERMINE PRICE IN PYRITE
Quinoa pyrite
Chispa pyrite
Chispa top pyrite / Cocada pyrite
Cocada top pyrite
CHAPTER V: CRITERIA FOR EVALUATING FINE MINERALS SPECIMENS
Rarity
Luster
Sizes
Freack Specimens
Aesthetics
Combinatios of minerals
CHAPTER VI: CRYSTALS COMBINATIONS
Introduction
What is pyrite?
How to recognize a crystal?
What is a crystal cluster?
The quality grading of pyrite
Quinoa - grade
Chispa - grade
Improved chispa - grade
Cocada - grade
Improved Cocada - grade
Crystal shapes - cubes
Crystal shapes - Octaeder
Crystal shapes - Pyritohedron
Variations of crystal shapes
Odd shaped crystals
Conclusion