A, B, C,
D, E,
F, G,
H, I,
J, K,
L, M,
N, O,
P, Q,
R, S,
T, U,
V, W,
X, Y,
Z [Introduction]
UMIMATSU
The term refers to fossilised wood.
RT COAL
RT LIGNITE
BT HYDROCARBON
BT MINERAL
UNICORN HORN NP
Narwhal 'horns' were once
thought to be 'unicorn horns'.
UNKNOWN
This term should only be used when
the materials are genuinely unidentified.
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z [Introduction]
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