Gaye Sekula on sun 11 apr 04
I have a recipe that calls for soda feldspar. Exactly which feldspar is that?
Would it be Custer feldspar?
Thanks,
Gaye
Charles Moore on mon 12 apr 04
Or F-4 Kona as a soda feldspar.
Charles
----- Original Message -----
From: "sdr"
To:
Sent: Monday, April 12, 2004 1:15 PM
Subject: Re: soda feldspar
> > I have a recipe that calls for soda feldspar. Exactly which feldspar is
> that?
> > Would it be Custer feldspar?
> >
> No, Custer is a potash spar. On example of a
> soda spar is "minspar", the only one I have easy
> access to at the moment. Your dealer should be
> able to suggest a soda spar for you.
>
> regards
>
> Dannon Rhudy
>
>
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sdr on mon 12 apr 04
> I have a recipe that calls for soda feldspar. Exactly which feldspar is
that?
> Would it be Custer feldspar?
>
No, Custer is a potash spar. On example of a
soda spar is "minspar", the only one I have easy
access to at the moment. Your dealer should be
able to suggest a soda spar for you.
regards
Dannon Rhudy
Runyan,Jacob on mon 12 apr 04
Check Kona F4, I believe that is generally a good
substitute.
-Jacob
I have a recipe that calls for soda feldspar. Exactly which
feldspar is that?
Would it be Custer feldspar?
Ron Roy on tue 13 apr 04
Custer is a postash spar - F4 and C6 are soda spars.
All it means is: If there is more K2O it is called a potash spar - if more
Na2O then it's a soda spar.
RR
>I have a recipe that calls for soda feldspar. Exactly which feldspar is that?
>Would it be Custer feldspar?
>
>Thanks,
>Gaye
Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0
Phone: 613-475-9544
Fax: 613-475-3513
mailtoandrew@FSMAIL.NET on tue 13 apr 04
Hello Gaye,
Just to add a bit more to the other replies
One basis for classifying feldspars is the K2O and Na2O levels, which
generally gives three types, Potash, Soda and mixed spars.
The description of soda feldspar in your source is sadly rather vague as,
depending on the analysis, feldspars that can be called soda can have
different performances.
Typical K2O and Na2O of the various feldspars that have been mentioned in
reply to your post are
Custer 10.3% K2O, 2.9% Na2O
Minspar 4.1% K2O, 6.5% Na2O
C6 5.2% K2O, 6.9% Na2O
F4 4.8% K2O, 6.9% Na2O
Whilst touching into the realm of semantics these would be respectively
classed as
Custer Potash
Minspar Soda rich mixed
C6 Soda rich mixed
F4 Soda rich mixed
Whilst commercial feldspars are never the pure mineral to sit more
comfortable with the description of Soda feldspar you looking for a
material with significantly greater Na2O than K2O. There are plenty that
exist that are above 8% Soda and less than 3% K2O but what is readily
available to you? Just have to ask your suppliers.
If your interested I can email you further information.
Regards,
Andrew
pe canupp on fri 16 dec 11
Thank you to all who responded to my soda feldspar question. You are
always so helpful!
Phyllis Canupp
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=3DDB=3DA9 =3DDB=3DA9 =3DDB=3DA9
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