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83
marble, which is white with grey veining. Figure 83
shows a white area of 'Statuario Venarto' and Figure 84
shows an area that includes a grey vein. Figure 85 shows
'Sky Blue', a pale blue marble. Serpentine marble
(ophicalcite) contains sufficient quanities of the mineral
serpentine to change its colour, usually to green. Figure
86 shows a mottled grey/black/green marble from China.
Figure 87 shows 'Indian Green', a dark green serpentine
marble from India.
83 'Statuario Venarto' marble (Italy) consisting of fine
white, interlocking rhomboidal calcite crystals; XPT,
×35.
84
85
84 'Statuario Venarto' marble (Italy) consisting mainly
of fine white calcite crystals (upper right) with a grey
vein of very finely crystalline dolomite (left); XPT,
×150.
85 'Sky Blue' marble consisting chiefly of calcite with
minor proportions of clinopyroxene (bright pink/blue/
green) and olivine (upper left, orange); XPT, ×35.
86
87
86 A mottled grey/black/green marble (China)
consisting mainly of calcite (light brown) and
serpentine (grey) with minor muscovite mica
(pink/yellow/green); XPT, ×35.
87 'Indian Green' marble (India) consisting chiefly of
calcite (pink) with minor serpentine (blue) and
tremolite (orange); XPT, ×150.
 
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