IOLITE / CORDIERITE-TANZANIA 3.56Ct CLARITY SI1-PRECISON FACETING-COLLECTOR GDE

Description

Ravenstein Mining Co.
TOP QUALITY EUROPEAN HAND FACETED GEMS AND FACET ROUGH MINING  & SALES
CORDIERITE / IOLITE / WATER SAPPHIRE
Cyclosilicate Six-Membered Rings
Mg
2
Al
4
Si
5
O
18
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
$
3.50 (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 local
AZ  sales tax
. We ask all Ebay customers
not to pay for their item
until you receive an itemized invoice.
MATERIAL:
Natural untreated
CORDIERITE / IOLITE / WATER SAPPHIRE
. One of the
Most popular and sough after exotic gemstones
on face of this earth. Named after
the French mining engineer and geologist
P. L. A. Cordier
(1777-1861)
ORIGIN:
Tanzania.
WEIGHT:
3.56 Ct
CUT:
Modified Portuguese ROUND Brilliant.
Faceted by Ravenstein Gem Co., EU.
SIZE:
10.4 mm Diameter x 6.4 mm
Calibrated size:
NO
(The word “Calibrated” means that size of this gemstone will fit most inexpensive mass produced jewelry settings)
. For customers not familiar with the metric system: 1 inch is 25.4 millimeters.
COLOR:
"Tanzanite" Blue Purple with Lavender-Purple Flashes.
CLARITY:
* SI1- a single feather *
All colored stones are graded with trained unaided eyes. 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
:
7.0 Moh’s scale
(Hardness similar to Amethyst, suitable for regular jewelry wear).
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 additonal item / OVER
30,00 USD
VALUE
FREE SHIPPING
/  INTERNATIONAL :
35.00 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 E.U. precision cut Gems, Gem Rough, and Mineral Specimens from around the world
*** Nature’s Beauty Crafted To Perfection *** ™