Material: Fibrous glaucophane

GENERAL INFO IMAGE

Provenance: San Anselmo, Marin County (CA, USA)

Description: In California, the metamorphic blueschist occurrences within the Franciscan Complex are commonly composed of glaucophane, which can be found with a fibrous habit. NEW ERROR CALCULATED!

FPTI index: 2.767

FPTI error: 0.074

Parameters:



   Mean Length


Value:       4.0

Value Error:       0.0

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   Mean Diameter


Value:       0.22

Value Error:       0.025

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   Crystal Curvature


Value:       flat surface

Value Error:       0.0

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   Crystal Habit


Value:       acicular

Value Error:       0.0

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   Fibre Density


Value:       3.0

Value Error:       0.001245

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   Hydrophobic Character of the Surface


Value:       hydrophilic

Value Error:       0.0

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   Surface Area


Value:       7.9

Value Error:       0.002489

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   Total Iron Content


Value:       23.7

Value Error:       0.0

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   Ferrous Iron


Value:       12.7

Value Error:       0.0

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   Surface Ferrous/Iron Nuclearity


Value:       >2

Value Error:       0.02

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   Content of toxic elements other than iron


Value:       26.7

Value Error:       0.0

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   Fibre dissolution rate


Value:       55.0

Value Error:       0.0

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   Mean velocity of iron release


Value:       0.23

Value Error:       0.009

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   Velocity of amorphous silica production with dissolution


Value:       1.02

Value Error:       0.016

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   Mean velocity release of toxic elements


Value:       17.2

Value Error:       0.0

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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:       27.0

Value Error:       0.0

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   Cation exchange capacity


Value:       False

Value Error:       0.0

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