Key crystals are recognised by having a (usually) six-sided indentation going into a side or face of the crystal. This indentation should ideally end within the crystal in a clear impression of a termination, showing where another crystal once penetrated into the main one and then at some stage was removed. Perfect key crystals are quite rare. As the name suggests this crystal may be used to unlock "doors"; to help provide answers; to help in accessing something that is hidden or lost (not necessarily on the physical plane); or for problem solving of all types. Key crystals are also good to use in meditation and for personal development, especially when working on life-path and directional issues.
This is a good-sized unpolished Chlorite included Quartz that has been in our teaching collection for a number of years. The green-black inclusions...
Another crystal that was once part of our teaching collection, this is a nice natural Tabby crystal that is in DT formation - possibly due to...
This quartz crystal was part of our teaching collection. Although a bit bashed about, I bought it because of the large number of fat (broken off)...
This group of 6 large Clear Quartz double terminated crystals has been in our teaching collection for a number of years. They were used to show...
Polished natural clear quartz crystal. Mix of milky and clear quartz with lots of veiling. Key formation in one side. Some damage to termination,...
Clear Danburite crystal with clean termination. Key in main face to rear. Size 3.25 x 2.5 x 1.5 cm
Clear Danburite crystal with clean termination. Key in main face to rear. Size 3.75 x 1.75 x 1 cm
This Madagascan Fire Quartz crystal is in its raw unpolished form, and so has a slightly milky / chalky surface. Below this the crystal is covered...
This small A grade Herkimer Diamond crystal has two terminations, one of which is in reasonable condition. The other has two tiny Herkimer crystals...
This good sized A grade Herkimer Diamond crystal has one nearly perfect termination, and one that is bisected by a small peak of groundmass that has...
This good sized A grade Herkimer Diamond crystal has two terminations in good condition: one might appear to be damaged, but close inspection shows...
This medium sized AA grade Herkimer Diamond crystal has two very good terminations: one is nearly perfect, and the other has a small amount of very...
This good sized AAA grade Herkimer Diamond crystal has two nearly perfect terminations. One face shows some minor fracturing, along with some...
This mid-sized Herkimer Diamond has one termination in perfect condition: the other one is near-perfect, and has an indent where another crystal was...
This good sized Herkimer Diamond crystal has one termination that is almost bisected by a deposit of dolomite; and one that is indented with a series...
This good sized Herkimer Diamond crystal has imperfect terminations, due to extraction from groundmass. Nonetheless it has two very clear...
This good sized Herkimer Diamond crystal has one good termination, and one that is deeply pitted, showing where it became detached from its...
This good sized Herkimer Diamond crystal has two imperfect terminations: one is incomplete, with a large ‘key’ indentation showing where...