Minerals

Does cordierite show twinning?

What kind of interference does cordierite have?

What kind of extinction does biotite have?

Does biotite have twinning?

What kind of interference does biotite have?

Does olivine have twinning?

What kind of extinction does olivine have?

What kind of interference does olivine have?

What kind of extinction does garnet have?

What kind of interference does andalusite have?

Does muscovite have twinning?

What kind of extinction does muscovite have?

What kind of interference does Muscovite have?

Does calcite have extinctions?

What kind of interference does calcite have?

Does it augite have twinning?

What kind of extinction does augite have?

What kind of interference does augite have ?

Does hornblende have twinnings?

What kind of extinction does hornblende have?

What kind of extinction does hornblende have?

What kind of extinction does microcline have?

What is the distinctive twinning pattern microcline has?

What kind of interference does Microline have?

Does quartz have twinning?

What kind of interference does quartz have?

What kind of extinction does orthoclase have?

Does orthoclase have twinning?

What kind of interference does orthoclase have?

What kind of interference does plagioclase have?

Does plagioclase have extinction, if so what kind of extinction does it have?

What is the distinctive twinning pattern plagioclase has?