| mineral | description |
|---|---|
Quartz | {101}, {011} |
{100}, {101}, {011} | |
Left-handed Dauphiné twin (mimetic twin on [001]) | |
{100}, {101}, {011}, modified | |
Right-handed Dauphiné twin (mimetic twin on [001]) | |
{101}, modified | |
{100}, {101}, {011}, {511} | |
Japanese twin of two flattened crystals | |
Japan law twin (Contact twin on {112}) | |
{100}, {210}, {101}, modified | |
{100}, {61}, {101}, modified | |
Common habit, {100}, {101}, {011} | |
Quenselite | Tabular {010}, elongated [001] |