The entire length of Bro Fjord in Lysekil Municipality, Sweden, as seen from an old abandoned granite quarry at Sandvik bay in the north end of the fjord. The north-south strecth seen in the photo is about 6 km (3.7 mi). The panorama is about 180°. This is one of about ten abandoned quarries along the fjord's shores. The red <a href="https://en.wikipedia.org/wiki/Granite" class="extiw" title="en:Granite">granite</a> was much sought-after for construction works all over Europe during the first half of the 20th century because of its colour and the large <a href="https://en.wikipedia.org/wiki/Feldspar" class="extiw" title="en:Feldspar">feldspar</a> and <a href="https://en.wikipedia.org/wiki/mica" class="extiw" title="en:mica">mica</a> crystals (about 10 x 10 mm) that make any part of the cliffs glitter when the sun reflects off them. 
<br>This image illustrates how light, at different angles, is reflected off the feldspar crystals in the rock.<br><a href="//commons.wikimedia.org/wiki/File:Red_Lysekil_granite.jpg" class="image"><img alt="Red Lysekil granite.jpg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Red_Lysekil_granite.jpg/120px-Red_Lysekil_granite.jpg" decoding="async" width="120" height="128" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Red_Lysekil_granite.jpg/180px-Red_Lysekil_granite.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/e/ed/Red_Lysekil_granite.jpg/240px-Red_Lysekil_granite.jpg 2x" data-file-width="3161" data-file-height="3364"></a>
<a href="//commons.wikimedia.org/wiki/User:W.carter" title="User:W.carter">W.carter</a>
2017-09-03 16:55:00
<span class="int-own-work" lang="en">Own work</span>