A.
WILL SCRATCH GLASS.
I. OPAQUE.
| (1) Black: 12, 20, 28, 30, 42, 43, 51, 54, 67, 72. (2) Brown: 12, 28, 42, 59, 72, 77. (3) Red: 39, 46, 54. 59. 67. (4) Yellow: 38, 72, 77. (5) Gray: 22, 28, 72. (6) White: 64. |
II. TRANSLUCENT.
| (1) Brown: 32, 59, 72, 77. (2) Red: 17, 32, 46, 59, 68, 73, 74. (3) Yellow: 32, 59, 72, 73, 77. (4) Green: 74, 77. (5) Violet-blue: 3. (6) White: 27, 57, 73, 77. (7) Banded or clouded: 1. |