燧石类雨花石
239, 52, 252, 116, 60, 193, 207, 101, 142, 51, 74, 76, 154, 145, 105, 30, 31, 27, 204, 54, 7, 110, 166,
表面常有甲痕,一般呈褐、黄黑单色。黑白、黑黄、黄白相间条带构成美丽花纹者能成珍品。
194, 201, 174, 117, 99, 137, 6, 12, 153, 213, 206, 93, 249, 33, 28, 120, 95, 37, 4, 55, 237, 102, 196,