Crown Chakra Crystals
Some crystals and stones which are associated with the Sahasrara Crown Chakra are:
- amethyst
- ametrine
- angel aura
- angel quartz (amphibolite)
- angel white ajoite
- angelite
- apophyllite
- aquamarine
- black opal
- blue lace agate
- Blue John fluorite
- calcite (clear, white, optical)
- chevron (banded) amethyst
- clear quartz
- danburite
- diamond
- euclase
- fairy quartz
- galaxite (galaxyite)
- germanium
- gold
- green apophyllite
- hematoid quartz
- Herkimer diamond quartz
- heulandite
- Himalayan ice quartz
- iolite
- Lake County diamond quartz
- lepidolite
- lodolite
- moldavite
- moonstone (white)
- okenite
- opal
- petalite
- Petoskey stone
- rainbow moonstone
- ruby in zoisite
- scapolite (purple)
- scolecite
- selenite
- silver topaz
- solar quartz
- spirit quartz
- spodumene
- stilbite
- sugiilte
- sunstone
- tanzan aura
- tanzanite
- tourmalated quartz
- ulexite
- witch's finger
- white onyx
- yttrian fluorite
- zircon
In addition, most white or clear stones, many purple stones are related to the crown chakra. Crystals of other colors may also be related to the crown chakra as well. Crystals and stones may also be related to multiple chakras.
A good way to get the energy of crown chakra stones is to place them under your pillow at night.

Gold is considered a crown chakra stone.

Selenite, shown in polished slabs here, is a crown chakra stone.
Some References
A Beginner's Guide To The Chakras by Marion McGeough
Chakra: Reference to Go: 50 Cards for Promoting Spiritual and Physical Health (Relax and Rejuvenate) by Olivia H. Miller (Author), Nicole Kaufman (Illustrator), Michele Damelio (Contributor)
Short Link: http://bit.ly/1dv8gDr
Title: Crown Chakra Crystals