sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.

Instructions

Zircons tell us what earth was like 4.4 billion years ago; see how. Did you know animals can be identified by their hair?

Alder pollen is at its peak; check it out.

Check out the recently expanded Textile Fiber File.

Misc

Just For Fun

Particles By Environment

Home
Office
School
Construction or Remodeling Debris
Print Shop
Auto Body Shop
Warehouse
Machine Shop
Aluminum Oxide (Emery, Corundum)
Diamond
Garnet
Pumice
Quartz
Silicon Carbide
Slag
Cleaning Agglomerates
HVAC System Agglomerates
Remodeling Agglomerates
Wet Road Agglomerates
Asbestos Containing Construction Materials
Asbestos Fibers
Asbestos In Nature
Algae
Bacteria
Bone
Deer
Dinosaur
Capillitium
Diatoms
Fern Spores
Fern Sporangium
Foraminifera
Fungal Spores
Hyphae
Phytoliths
Pollens
Aluminum (by Cs2SO4)
Ammonium (by H2PtCl6)
Calcium (by H2SO4)
Chlorine (AgNO3)
Electromotive Substitution
Lead (by KI)
Manganese (by NaCO3 Fusion)
Reduced Sulfur (by NaN3)
Sodium Chloride
Sulfate (by AgNO3)
Nitrate (by Nitron Sulfate)
Zinc (by K2Hg(SCN)4)
Bagase
Burnt Leaf
Candle Soot
Cenospheres
Charred Grass
Charred Wood
Forest Fire
Oil Lamp Soot
Grinding Debris
Insulation
Joint Compound
Plaster
Sawdust
Wallboard
Weld Debris
Air
Oil
Surfaces
Water
(Dispersion Staining is an analytical technique that uses colors created by differences in dispersion) Becke' Line Dispersion Staining
Oblique Illumination Dispersion Staining
Dark Field Dispersion Staining
Objective Stop Dispersion Staining
Phase Contrast Dispersion Staining
Breakers
Brushings
Micro-electronic
Transformers
Tap Changers
Asbestos Fibers (Legally Controlled mineral fibers)
Clothing Fibers (Fibers used to make textiles)
Feather Barbules (Individual elongated elements from feathers)
Glass Fibers (Man-made vitreous fiber)
Hair (Mammalian)
Insect Fibers (Silks)
Insect Hair (Setae, scales, bristles, etc.)
Mineral Fibers (Much higher tensile strength along long axis)
Paper Fibers (Fibers used in paper)
Plant Fibers (Elongated integral elements within the body of the plant)
Plant Hairs (Elongated elements that form on the surface of the plant)
Synthetic Fibers (Man-made polymer fibers)
Cat Dander
Clothing Fiber
Cosmetics
Dog Dander
Ghosting
Human Skin Flakes
Humus
Mite Frass
Paper Fiber
Starch
Carpet Beetle (Dermestidae)
Insect Debris
Lice
Spiders
Ticks
Composite Materials
Carbon Fiber Composites
Glass Fiber Composites
Failure Analysis
Bolt Corrosion
Carbon Fiber Composite Failure
Load Tap Changer
Pipe Corrosion
Printed Circuitboards
Stress in Formed Glass
Stress in Polymer Weld
Medical Devices
Sand
Cat Dander
Clothing Fiber
Dog Dander
Human Skin Flakes
Humus
HVAC
Ink
Shoe Wear
Toner
Aerosols
Marine (Sodium Chloride, Magnesium Sulfate)
Vehicle (Nitrates, Sulfates)
Industrial Emissions
Composite Fabrication Shop
Cement Manufacture
Flyash
Furniture Manufacture
Glass Manufacture
Grain Mills
Iron Fabrication
Maintenance Shop
Publishing Facility
Weld Shop
Road Debris
Cenospheres
Road Dust
Tire Wear
Vehicle Emissions
Hairs
Moss
Pollen
Cleaning Debris
Detergents
Grits
Vinyl Floor Surfacing

Dry-Erase Ink
Pencil Debris
Sand
Assemblages, How Environments are Characterized
Super Assemblage: Outdoor-Natural
Forest Fire
Insects
Natural Minerals (From Soils)
Plant Parts
Pollen
Combustion
Industrial
Road
Home
Insect
Mites
HVAC System

HVAC System

Home
Combustion
Construction
Human
Copy Machines and Printing
Human Debris
Human Debris
Writting Debris

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