419CTS AUSTRALIAN GLENDONITE LG-13USA-LIGHTNINGGEMS

2741

存货单位: tbg-13 usa
尺寸（毫米）: 55.000 x 55.000 x 40.000mm
重量 (cts): 419.000
Treatment: No Treatment
Clarity: N/A
类型: Specimen, Rough
颜色

GLENDONITE SPECIMEN

The presence of glendonite in a succession of rocks is taken to be diagnostic evidence for the presence of glaciers in the geologic past (since ikaite forms at cold temperatures). Many ancient successions known to be deposited in glacial settings have glendonite. The sample shown is from the Permian of Australia. During the Late Paleozoic, the supercontinent Gondwana (of which Australia was a part) experienced several ice ages (from the Mississippian to the Permian).

存货单位: tbg-13 usa
尺寸（毫米）: 55.000 x 55.000 x 40.000 mm
重量 (cts): 419.000
Treatment: No Treatment
Clarity: N/A
类型: Specimen, Rough
颜色

GLENDONITE SPECIMEN

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