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. |
B.
WILL NOT SCRATCH GLASS.
I. OPAQUE.
| Harder than white marble.[2] | Softer than white marble. |
| (1) Black: 11, 35, 47. | 4, 7, 10, 12, 13, 14, 16, 24, 34, 37, 49, 51, 55, 56, 76. |
| (2) Brown: 66, 75. | 12, 14, 21. |
| (3) Red: 44, 53, 75. | 21, 23, 41, 55. |
| (4) Yellow: 26, 44. | 12, 33, 56. |
| (5) Green: 45. | 60, 61. |
| (6) Gray: 35, 66. | 5, 24, 31, 34, 36, 49, 56, 6,3 69. |
| (7) White: 6, 9, 11. | 36, 40, 56, 62. |