PREHNITE-AUSTRALIA 18.0Ct SEMI TRANSPARENT WITH SILK-BEAUTIFUL COLOR-RARE!

Description

Ravenstein Mining Co.
TOP QUALITY EUROPEAN HAND FACETED GEMS  AND  FACET ROUGH MINING  & SALES
PREHNITE
Phyllosilicate Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Ca2Al2Si3O10(OH)2
VIDEO OF THE GEMSTONE CAN BE FOUND
HERE.
SHIPPING  CHARGE for MULTIPLE ITEMS:
If you buy more than 1 item, please wait for our invoice before you pay. If you pay immediately, before we send the actual invoice, the eBay system will automatically charge you
$
7.50 (USA domestic) or .00 (overseas) for every single item purchased. We must than credit this amount towards your next purchase or refund this unnecessary overpayment.
ARIZONA STATE TAX:
All Arizona retail customers will be charged a
9.9% sales tax
. We ask all Ebay customers
not to pay for their item
until you receive an itemized invoice.
MATERIAL:
Natural untreated gem grade
PREHNITE
. Prehnite is typically found in
hydrothermally altered rocks. This unusual gemstone was named after Dutch colonel
H. von Prehn
. Prehnite from Australia represents some of the best Prehnite on the market today.
ORIGIN:
AUSTRALIA
. Besides Russia and Poland, this is the source of best gem grade Prehnite and the vivid Apple Green-Yellow color, not found anywhere else is sought after by collectors and jewelry makers from around the globe.
WEIGHT:
18.0 Ct.
CUT:
Master cutter custom designed and masterfully cut in Europe
Radiant FAN.
Master Cutter:
MIRO
- EU Master Degree.
SIZE:
22.8 x 22.5 x 9.3 mm
Calibrated jewelry size:
NO
(The word “Calibrated” means that size of this gem was optimized to fit most inexpensive mass produced jewelry settings. All non-calibrated gems can also be set into jewelry. Ask your local jeweler for details). For customers who are not familiar with the metric system: 1 inch is 25.4 millimeters.
COLOR:
Medium Apple Green with Strong Yellow Overtone.
A textbook perfect natural color from rare location.
CLARITY:
* Semi Transparent with silk *
With typical
Sleepy Silk.
All colored stones are graded with trained unaided eye. All diamonds are graded under 10x magnification (GIA / International).
CLARITY SCALE:
From best and cleanest with no visible inclusions (FLAWLESS) to heavily included (P3):
FLAWLESS - VVS1 - VVS2 - VS1 - VS2 - SI1 - SI2 - P1 - P2 - P3
HARDNESS:
6.5 on Moh’s Scale
(Hardness similar to Sunstone or Orthoclase – suitable for jewelry)
NEGATIVE FEEDBACK:
Please,
don’t leave a negative feedback
without giving us a fair chance to fix the problem. If you are unhappy with your purchase, simply contact us via eBay system and we will correct the problem as soon as we possibly can.
TREATMENT:
NONE
Natural color. We don’t apply radiation, oiling, diffusion and/or heat treatment in order to make low grade material look more expensive! We offer 100% natural gems only, no exceptions.
GUARANTEE:
We are committed to your 100% satisfaction. If for any reason you are not satisfied with your gemstone purchase, you are entitled to a full credit or refund within 14 days of receipt. Shipping and handling fees are not refundable.
NO REFUNDS or returns
after the initial 14 day trial period.
SHIPPING:
USA:
.50 USD
plus
.00 USD
for every additional item / OVER
30,00 USD
VALUE
FREE SHIPPING
/  INTERNATIONAL : 38.0
0 USD
– USPS First Class Package / USPS Priority Mail International.
We do offer a 10 day combining period
SHIPPING TIME:
All items are shipped within 1 business day.
ABOUT US:
At
RAVENSTEIN
we precisely hand cut all gems in our European Union cutting facilities from mine-direct sources of top quality, hand-selected rough. Our prices are strictly factory-direct.
Our highly skilled master cutters facet all gems under strict German school “Idar Oberstein” and Bohemian school “Turnov” quality standards. We do our best to make each gemstone an original of the very highest market value.
MARKET VALUE OF NATURAL UNTREATED GEMS CAN ONLY INCREASE OVER TIME!
Please contact Ravenstein-Germany for more information about precisely cut Rare, Fancy and Energy gems from around the world
*** Nature’s Beauty Crafted To Perfection *** ™