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Id 99
Identification Type Plant
Name Phytolith
Distinguishing Features Isotropic
Transparent
Description Phytoliths are literally “plant stones”, and can include deposits of amorphous silica or calcium oxylate. For purposes of this site, we will be considering deposits of amorphous silica, deposited as secondary cell walls within plants. Grasses are the source of most of the phytoliths found on smear slides, however sedges, cattails, and horsetail are also prolific producers of phytoliths. The cell walls are three-dimensional bodies, only two of which are easily seen in bright field microscopy. Phytoliths will appear as transparent to translucent isotropic shapes, including circular, oval, cylindrical, dendritic, rectangular, triangular, or lobed.

Phytoliths, like other solid amorphous silica components, can appear purplish in plane polarized light. Nonpleochroic, isotropic. Moderate relief.
Tags colorless
purplish
dendritic
circular
triangular
lobed
External Resources
Imposters
Images
Unique Identification: Phytolith
Site name: Tanners
Light type: Cross-Polarized Light
Magnification: 400x
Submitted by: Amy Myrbo
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Tanners
Light type: Plane-Polarized Light
Magnification: 400x
Submitted by: Amy Myrbo
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Lake Bosumtwi
Light type: Cross-Polarized Light
Magnification: 400
Submitted by: Jess Rodysill
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Lake Bosumtwi
Light type: Plane-Polarized Light
Magnification: 400
Submitted by: Jess Rodysill
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Lake Eyasi
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: not specified
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Lake Eyasi
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: not specified
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Lake Eyasi
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: not specified
Notes: none
Image Tags: none
Unique Identification: Phytolith
Site name: Lake Eyasi
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: not specified
Notes: none
Image Tags: none