Ravenstein Mining Co.
TOP
QUALITY EUROPEAN HAND FACETED GEMS AND FACET ROUGH MINING & SALES
HERDERITE – ONE OF WORLD’S RAREST AND EXTREMELY VALUED
GEMS
Anhydrous Phosphates,
etc. Containing Hydroxyl or Halogen
CaBe(PO4)F
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 $33.50 (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 HERDERITE.
VERY scarce in transparent gem quality!. This rare gem was named for Siegmund
August Wolfgang von Herder (1776-1838). Herderite
occurs mainly in granite pegmatites together with other rare minerals.
Faceted Herderite belongs to the
group of the rarest and most valued gems on face of this earth. This gem
represents a valued addition to any gemstone collection and will make a risk
free investment with unsurpassed growth potential. This Herderite is guaranteed to be natural and untreated.
ORIGIN: Alto do Corrego
Frio, Minas Gerais, BRAZIL. One of the very few sources of this
extremely valued gemstone.
WEIGHT: 3.28 Ct Rare gemstone in Highest
COLLECTOR and INVESTMENT
Grade! Faceted gems of Herderite and Hydroxylherderite
are usually not more than 5 ct. But from large crystals, found in Brazil, they
can yield faceted stones of more significant mass. In the Smithsonian
Institution, Washington DC, there is a faceted green Herderite from Brazil in 5.9 ct. In Canada, in the Museum of
Calgary, there is a blue Brazilian stone in 3.65 ct.
CUT:
Step
OCTAGON – Emerald Cut - native cut
(Brazil). Quality of cut: Good.
One of the world's rarest gemstones.
SIZE: 10.2 x 8.1 x 4.5 mm Calibrated size:YES (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: Absolutely rarest natural
untreated Herderite color Pastel Gold-Green. Absolutely
amazing, extremely hard to obtain natural untreated color. Must see to
appreciate.
CLARITY: * VVS2 * 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: 5.0 – 5.5 Moh’s Scale (hardness of Herderite is similar to Apatite or
Tanzanite and therefore suitable for an occasional jewelry wear).
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.
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.
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: $7.50 USD plus $1.00
USD for every additonal
item / OVER 30,00 USD VALUE
FREE SHIPPING
/ INTERNATIONAL : 33.50 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 *** ™