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雨小禅

氢氟酸与泥混合仿品，包裹腐蚀的表象：

 

以下图片均为仿品：

 

 

[upload=jpg,2007102816225718669.jpg]UploadFile/2009-7/200973019555344596.jpg[/upload]
[upload=jpg,2007102816225730911.jpg]UploadFile/2009-7/200973019555328595.jpg[/upload]
[upload=jpg,2007102816225733909.jpg]UploadFile/2009-7/200973019555398771.jpg[/upload]
[upload=jpg,2007102816225755382.jpg]UploadFile/2009-7/200973019555344340.jpg[/upload]
[upload=jpg,2007102816225760871.jpg]UploadFile/2009-7/200973019555322025.jpg[/upload]
[upload=jpg,2007102816242959466.jpg]UploadFile/2009-7/200973019555396046.jpg[/upload]
[upload=jpg,2007102816245142866.jpg]UploadFile/2009-7/200973019555377884.jpg[/upload]

[此贴子已经被作者于2009-7-30 19:58:03编辑过]

雨小禅

团状脉纹：

[upload=jpg,neo_img_200710211137856952.jpg]UploadFile/2009-7/2009730209217434.jpg[/upload]
[upload=jpg,neo_img_2007102111303095830.jpg]UploadFile/2009-7/2009730209249236.jpg[/upload]
[upload=jpg,neo_img_2007102111311969502.jpg]UploadFile/2009-7/2009730209266000.jpg[/upload]
[upload=jpg,neo_img_2007102111322078281.jpg]UploadFile/2009-7/2009730209211569.jpg[/upload]
[upload=jpg,neo_img_2007102111324447360.jpg]UploadFile/2009-7/2009730209284862.jpg[/upload]
[upload=jpg,neo_img_2007102111351324096.jpg]UploadFile/2009-7/2009730209268884.jpg[/upload]
[upload=jpg,neo_img_2007102111364773948.jpg]UploadFile/2009-7/2009730209250721.jpg[/upload]
[upload=jpg,neo_img_2007102111373938841.jpg]UploadFile/2009-7/2009730209268622.jpg[/upload]
[upload=jpg,neo_img_2007102111375572970.jpg]UploadFile/2009-7/2009730209238821.jpg[/upload]
[upload=jpg,neo_img_2007102111381166521.jpg]UploadFile/2009-7/2009730209274811.jpg[/upload]
[upload=jpg,neo_img_2007102616111016956.jpg]UploadFile/2009-7/2009730209252701.jpg[/upload]

[此贴子已经被作者于2009-7-30 20:09:12编辑过]

雨小禅

自然态的凸起，是玉质发生质变的过程，分子结构的重新组合，是一个漫长的过程，表象有多种多样，在一个器物上可以见到几种不同的表象：

雨小禅

 

红山文化时期玉器，土中方位对应内质色与质的变化且对应减缩，呈包裹态：

雨小禅

一件玉器要根据表层信息(沁相)来判断其成因和对应成因产生应有状态是否符合工上自然态质变规律!
老料仿品快腐减缩不对应内质色变：
[upload=jpg,neo_img_200910412364613822.jpg]UploadFile/2009-10/2009101613284793644.jpg[/upload]
[upload=jpg,neo_img_200910412364682150.jpg]UploadFile/2009-10/2009101613284780578.jpg[/upload]
[upload=jpg,neo_img_200910412364696365.jpg]UploadFile/2009-10/2009101613284755146.jpg[/upload]

[此贴子已经被作者于2009-10-16 13:28:52编辑过]

雨小禅

一件玉器要根据表层信息(沁相)来判断其成因和对应成因产生应有状态是否符合工上自然态质变规律!

----任南

雨小禅

对一件古玉的鉴别不能只认个别阶段的体表特征,因古玉从深坑到脱胎它的变化是无穷的,必须了解体会全过程才能对其做到辨别无误：[upload=jpg,neo_img_200741521573187517.jpg]UploadFile/2009-10/200910161332269722.jpg[/upload]
[upload=jpg,neo_img_200741521591728359.jpg]UploadFile/2009-10/200910161332262265.jpg[/upload]
[upload=jpg,neo_img_200741521595830383.jpg]UploadFile/2009-10/200910161332242441.jpg[/upload]
[upload=jpg,neo_img_200861014412310485.jpg]UploadFile/2009-10/200910161332278010.jpg[/upload]
[upload=jpg,neo_img_200861014412393028.jpg]UploadFile/2009-10/200910161332250087.jpg[/upload]

[此贴子已经被作者于2009-10-16 13:32:07编辑过]

雨小禅

对一件古玉的鉴别不能只认个别阶段的体表特征,因古玉从深坑到脱胎它的变化是无穷
的,必须了解体会全过程才能对其做到辨别无误.

雨小禅

自然态红色沁：[upload=jpg,200982912111724092.jpg]UploadFile/2009-10/200910161333973611.jpg[/upload]

[此贴子已经被作者于2009-10-16 13:33:11编辑过]

石良

感谢雨版！学习了！