Petroleum quartz is a special form of Rock Crystal: during the formation of the crystal between
65 to 200 million years ago, small droplets of petroleum and sometimes small methane gas bubbles were trapped in the stone.
If you look at the petroleum quartz under UV light, the inclusions fluoresce and thus the whole gemstone
the whole gemstone fluoresce in fascinating blue-purple hues.
Size of the Rock Crystal (Double Point) approx. 14 - 16mm; supplied in pouch with information sheet (German).
Under special conditions, Points form on both sides of the crystal during the Occurrence of Rock Crystal. This form is named after the original Localities in
Herkimer (New York, USA) Herkimer quartz.
GPSR
| Manufacturer | Marco Schreier Mineralienhandlung GmbH, Im Osterholz 1, 71636 Ludwigsburg, Germany, www.marcoschreier.com Contact |
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Hello! My name is Marco Schreier, founder of the Mineralienhandlung GmbH of the same name, a specialist wholesaler for minerals, fossils, gemstones, tumbled stones, collector's objects and gift items made of stone. In the year 1998 I founded the brand Maulwurf Geschenke aus der Natur® in order to combine our product range for resellers, museum shops, dealers and other commercial users of the precious stones with our quality guarantee.
You will only receive mineralogically correctly identified stones from us, which promote the joy of collecting and experiencing the precious treasures of nature. Treatments such as coatings or coloring are always declared. Our own production in Asia guarantees the best quality at attractive wholesale prices and fair and transparent product procurement. I personally vouch for this.