Completed last night. A nice doubly-terminated calcite crystal from Arkansas. Watercolour, pen and coloured pencil on 203x102mm white card.
![](https://gallery.crocoart.com/wp-content/uploads/2022/05/Calcite-Rush-Creek-Arkansas-wp-1-1024x511.jpg)
Completed last night. A nice doubly-terminated calcite crystal from Arkansas. Watercolour, pen and coloured pencil on 203x102mm white card.