UM1992-35-SiO:CaHKMg
Valid as an unnamed mineral
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Formula:
K(Ca,Mg)6[Si11O28](OH,F) · 10H2O
Colour:
greenish-blue (turquiose) to pale blue
Specific Gravity:
2.35 - 2.40
Crystal System:
Triclinic
Similar to fluorapophyllite-(K).
Crystals, up to 1 mm long and 0.02 mm thick prisms or needles, in sheaf-like aggregates 2-3 mm long.
Published without approval as boleflite.
Crystals, up to 1 mm long and 0.02 mm thick prisms or needles, in sheaf-like aggregates 2-3 mm long.
Published without approval as boleflite.
Unique Identifiers
Mindat ID:
53124
Long-form identifier:
mindat:1:1:53124:1
GUID
(UUID V4):
(UUID V4):
cc441769-1897-4322-9e5d-aaec0425a724
IMA Classification of UM1992-35-SiO:CaHKMg
IMA status notes:
Published without approval, Unnamed (probably valid)
Physical Properties of UM1992-35-SiO:CaHKMg
Transparency:
Transparent
Colour:
greenish-blue (turquiose) to pale blue
Density:
2.35 - 2.40 g/cm3 (Measured) 2.40 g/cm3 (Calculated)
Optical Data of UM1992-35-SiO:CaHKMg
Type:
Biaxial
RI values:
nα = 1.537(1) nγ = 1.545(1)
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Max Birefringence:
δ = 0.008
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Pleochroism:
Visible
Comments:
pale turquoise (Z), pinkish gray (X)
Comments:
colourless in transmitted light; positive elongation, Z || elongation, Z ^ extinction
Chemistry of UM1992-35-SiO:CaHKMg
Mindat Formula:
K(Ca,Mg)6[Si11O28](OH,F) · 10H2O
Crystallography of UM1992-35-SiO:CaHKMg
Crystal System:
Triclinic
Cell Parameters:
a = 12.65(6) Å, b = 19.35(9) Å, c = 7.14(3) Å
α = 90.0(1)°, β = 102.2(1)°, γ = 90.2(1)°
α = 90.0(1)°, β = 102.2(1)°, γ = 90.2(1)°
Ratio:
a:b:c = 0.654 : 1 : 0.369
Unit Cell V:
1,708.23 ų (Calculated from Unit Cell)
Comment:
pseudomonoclinic
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
7.8 Å | (70) |
3.56 Å | (80 |
) Å | ( |
3.35 Å | (80) |
2.975 Å | (70) |
2.492 Å | (100) |
2.538 Å | (diagnostic) |
1.959 Å | (diagnostic) |
1.577 Å | (diagnostic) |
Synonyms of UM1992-35-SiO:CaHKMg
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for UM1992-35-SiO:CaHKMg
mindat.org URL:
https://www.mindat.org/min-53124.html
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References for UM1992-35-SiO:CaHKMg
Reference List:
Localities for UM1992-35-SiO:CaHKMg
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Russia | |
| Lazebnik et al. (1992) +1 other reference |