据资料介绍：元代铜红釉烧造纯红釉瓷极为罕见，1974年江西景德镇市郊元代至元四年（1338年）凌氏墓出土2件红釉文官俑，除部分青白色外余均为颜色不匀的红褐色，为高温铜红釉烧制。故宫馆藏元红釉梨形壶和暗云龙纹盘，颜色近似羊肝色，釉面无棕眼。这件双系罐出自于江西，确定为元代景德镇纯红釉瓷依据如下：
一、器型为元代器型，器身颈部、腹部胎接，罐内除口沿内壁施釉，其余无釉，罐内能见滴釉点及修胎旋痕。釉面为豇豆红紫红色，胎釉结合部红釉呈色现正红，施釉近足，无釉平底足；
二、瓷土为方麻仓土（最为关键）；胎釉结合部火石红布局自然合理；
三、最值得注意的是：通过显微镜观察釉面，证实为铜红釉烧制，而釉中出现了钧窑瓷具有的蓝白色乳浊现象，而不具备钧瓷的釉面不规则流淌现象。 通过观察钧瓷以及元代釉里红釉和清乾隆豇豆红瓷器釉质（无乳浊、流淌现象），发现此罐釉质介于钧瓷与乾隆豇豆红瓷之间，三者之间形成交集。是否证明了从宋代到明清铜红釉瓷器烧造的变迁。
根据以上观点，本人认定，此罐为元代江西景德镇纯红釉瓷器，呈色应为豇豆红。
 
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