Talk:Phosphate mineral

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Needs work

Needs some work here. Which phosphate minerals are found in practical and economic concentration for mining as a source of phosphates for fertiliser, etc. Needs an expert here.Eregli bob (talk) 11:43, 17 March 2008 (UTC)[reply]

What about calcium phosphate ?

The article for superphosphate mentions it is made by adding sulfuric acid to calcium phosphate. But calcium phosphate is not listed as a phosphate mineral ! Well I have been to phosphate mine and fertilizer plant and seen them making it. Needs an expert to clarify here. Eregli bob (talk) 11:49, 17 March 2008 (UTC)[reply]

Nickel-Strunz 10 ed database

I reviewed the Nickel-Strunz 10 ed database (non silicates) from webmineral.com. The list improves a lot by sorting the 08 Nickel-Strunz class: phosphates in IMA/CNMNC classes: phosphates, arsenates and vanadates. But there are some possible flaws:

08.DE.35 Alumoakermanite ((Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇)), 09.BB.10 on Mindat.org
08.CG.05 Uranophane-beta (Ca[(UO₂)SiO₃(OH)]₂•H₂O), but Uranophane (Ca(UO₂)₂SiO₃(OH)₂•5H₂O), 09.AK.15 on Mindat.org
08.BL.10 Springcreekite BaV3+3(PO₄)₂(OH,H₂O)₆: is a phosphate and has vanadium as cation
08.DC.60 Nevadaite (Cu²⁺,[ ],Al,V³⁺)₆Al₈(PO₄)₈F₈(OH)₂•22H₂O: is a phosphate and has a vanadium cation too.

--Chris.urs-o (talk) 13:33, 1 February 2011 (UTC)[reply]

Interesting to note is:

03.DD.30 Mosesite Hg₂N(Cl,SO₄,MoO₄,CO₃)•H₂O (Hydrated Acid and Sulfates on Dana)
03.DD.30 Gianellaite Hg₄(SO₄)N₂ (Anhydrous Acid and Sulfates on Dana)
03.DD.35 Kleinite Hg₂N(Cl,SO₄)•nH₂O (Oxyhalides and Hydroxyhalides on Dana)

--Chris.urs-o (talk) 07:38, 3 February 2011 (UTC)[reply]