1. Organ:Lung
Lesion:showing microscopic picture of carbon particles appears as black granules free or inside macrophages.
Diagnosis: Anthracosis 

2. Organ:Lymph node,
Lesion. The lymph nodes appears black in color.
Diagnosis: Gross, Anthracosis  

3. Organ: Lung,
Lesion: The silicotic nodules consists of concentrically arranged
hyalinized collagen fibers surrounding amorphous center.
Diagnosis: lung silicosis

4. Organ:Liver
Lesion showing pigment in the cytoplasm of hepatocytes, H&E stain.
Diagnosis: lipochrome pigment.

5. Organ: Esophagus.
lesion showing black spots.
Diagnosis: melanosis

6. Organ:Brain.
Lesion:showing dark black pigments inside melanophore. H&E
Diagnosis: melanin pigments

7. Organ:Spleen
Lesion: there are dark brown to black  multifocal pigment . H&E
Diagnosis: melanin pigments.  

8. Organ:Spleen
Micro,. The hemosiderin pigments appear as golden yellow pigment in side macrophage (Sidrocytes). H&E
Diagnosis: hemosiderosis  

9. Organ:Spleen, Micro,. The hemosiderin is seen inside sidrocytes or free and stained yellow with H&E
Diagnosis: hemosiderosis

10. Organ:Liver, Micro, hemosedirosis, Prussian blue
Organ:Liver, Micro, hemosedirosis, Prussian blue. The hemosiderin stained blue.
Diagnosis: hemosiderosis