N	Card	Specie	Formula	Upot	Ionic Strength Factor
1.	2228	[1], t-alunite, syn	KFe3[SO4]2(OH)6	13778	21
2.	2227	[2], t-alunite	KFe3[SO4]2(OH)6	13780	21
3.	7586	[3], t-alunite, syn	(K,Na)Fe3[SO4]2(OH)6	13831	21
4.	7587	[4], t-alunite, syn	(K,Na)Fe3[SO4]2(OH)6	13859	21
5.	7588	[5], t-alunite, syn	(K,Na)Fe3[SO4]2(OH)6	13874	21
6.	7930	[6], t-alunite, syn, at 298oK	KFe3[SO4]2(O[HH])6	13818	21
7.	7931	[7], t-alunite, syn, at 400oK	KFe3[SO4]2(O[HH])6	13792	21
8.	7932	[8], t-alunite, syn, at 500oK	KFe3[SO4]2(O[HH])6	13768	21
9.	7933	[9], t-alunite, syn, at 575oK	KFe3[SO4]2(O[HH])6	13757	21