Type

Color

Long (µm)

Thickness (µm)

Neatness of crystal edges

Whole crystalline organization

Additional information

Bundle

Black

130 - 260

±4 - 6

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

O^a

nN^d

Puncture

Not straight

U^b

nN^d

-^*)

30 - 80

1.50 - 2.00

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

O^a

nN^d

Puncture

Not straight

U^b

nN^d

-^*)

<1

Not straight

O^a

nN^d

-^*)

15 - 20

1.50 - 2.00

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

O^a

nN^d

Puncture

Not straight

U^b

nN^d

-^*)

Brown

30 - 80

1.50 - 2.00

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

O^a

nN^d

Puncture

Straight

U^b

nN^d

-^*)

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

U^b

nN^d

-^*)

Dark brown

30 - 80

1.50 - 2.00

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

O^a

nN^d

Puncture

Not straight

U^b

nN^d

-^*)

<1

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Not straight

O^a

nN^d

-^*)

Not straight

U^b

nN^d

-^*)

Reddish brown

30 - 80

1.50 - 2.00

Straight

O^a

N^c

-^*)

Not straight

O^a

N^c

-^*)

Single

Transparent

130 - 260

±4 - 6

-^*)

U^b

-^*)

-^*)

30 - 80

1.50 - 2.00

-^*)

U^b

-^*)

-^*)