Material: Erionite, Gawler Downs (New Zealand)

GENERAL INFO IMAGE

Provenance: Gawler Downs, New Zealand

Description: Asbestiform erionite

FPTI index: 2.433

FPTI error: 0.052

Parameters:



   Mean Length


Value:       210.0

Value Error:       0.0

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   Mean Diameter


Value:       0.39

Value Error:       0.013534

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   Crystal Curvature


Value:       rounded surface

Value Error:       0.0

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   Crystal Habit


Value:       acicular

Value Error:       0.0

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   Fibre Density


Value:       2.054

Value Error:       0.0

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   Hydrophobic Character of the Surface


Value:       hydrophilic

Value Error:       0.0

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   Surface Area


Value:       20.0

Value Error:       0.000168

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   Total Iron Content


Value:       0.0

Value Error:       0.0

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   Ferrous Iron


Value:       0.0

Value Error:       0.0

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   Surface Ferrous/Iron Nuclearity


Value:       0

Value Error:       0.02

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   Content of toxic elements other than iron


Value:       9.62

Value Error:       0.000674

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   Fibre dissolution rate


Value:       100.0

Value Error:       0.0

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   Mean velocity of iron release


Value:       0.0

Value Error:       0.0

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   Velocity of amorphous silica production with dissolution


Value:       0.28

Value Error:       0.001117

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   Mean velocity release of toxic elements


Value:       4.74

Value Error:       0.000222

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   Zeta Potential


Value:       negative at both pH = 4.5 and pH = 7.4

Value Error:       0.0

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   Zeta Potential induced fibre aggregation


Value:       21.0

Value Error:       0.0165

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   Cation exchange capacity


Value:       True

Value Error:       0.0

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