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Hydroboracite 30

Alternate Names: Argentinian Hydroborocite

Oxide Analysis Formula
CaO 14.50% 0.66
MgO 5.40% 0.34
B2O3 30.00% 1.10
SiO2 12.00% 0.51
Fe2O3 0.55% 0.01
SO42.50%
LOI20.00%
Oxide Weight 159.12
Formula Weight 205.32

Notes

Also CaMgB6O8(OH)6:3(H2O)
This is mined in North Argentina, in the Andes Mountains, at about 4500 meters altitude. Material is normally sold in bulk bag but the company has facilities to pack in 25 and 50 kg bags also.

As2O3: 300-600 ppm

Size Granulated or Crushed to 20 mesh

Related Information

Links

Typecodes Flux Source
Materials that source Na2O, K2O, Li2O, CaO, MgO and other fluxes but are not feldspars or frits. Remember that materials can be flux sources but also perform many other roles. For example, talc is a flux in high temperature glazes, but a matting agent in low temperatures ones. It can also be a flux, a filler and an expansion increaser in bodies.
Minerals Hydroboracite
Materials Chilean Ulexite
Materials Turkish Ulexite
Materials Ulexite

By Tony Hansen


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