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Dominant species
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Bakerite
Chemical
Formula
Ca4B4(BO4)(SiO4)3(OH)3·H2O
Species
Silicates
Crystal
System
Monoclinic
Mohs
Scale
4
Specific
Gravity
2.88
Color
Colorless, white
Luster
Vitreous, Dull
Refractive
Index
n = 1.624 n = 1.635 n = 1.654
Diaphaneity
Translucent
Crystal Habit:Dense and microcrystalline, resembling unglazed porcelain. Nodules and veins. Stout rhombic prisms
Geological Setting:Veins in altered volcanics.
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