This very fine, old-time, chocolate-brown cruciform twin of staurolite belonged to well-known dealer Ernst Bottcher of Berlin, Germany. Most of the crystal is glistening with flecks of micaceous mica on top of well formed, terminated faces.
This very fine, old-time, chocolate-brown cruciform twin of staurolite belonged to well-known dealer Ernst Bottcher of Berlin, Germany. Most of the crystal is glistening with flecks of micaceous mica on top of well formed, terminated faces.