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QUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIO

Description: Quartz crystal growth is one of a few intriguing natural processes that has been copied from Mother Nature and implemented in the laboratory. Industrial growth of commercial quartz crystals for their unique piezoelectric and optical properties has produced the necessary components for electronic and optical devices for about 70 years already. XSTALSHOP (division of R&D XTALS, Inc) has recently adapted this hydrothermal growth process with the aim of creating natural-looking crystal specimens for mineral collectors, museums, researchers, educators, craftsmen, as well as objects d’art for other buyers. The term "hydrothermal" is used to describe a crystallization method utilizing superheated (about 660 F (350 C)), mainly alkaline aqueous solutions at very high pressure, EXCEEDING 10,000 psi (>70 MPa). The crystals are grown in an airtight, thick-walled, steel vessel called an autoclave. We called that autoclave as "high pressure cooker". Pressure inside autoclave is built up solely by electrical heating. Crystals begin forming on "seeds", which are broken natural quartz clusters, and/or slices and pieces of natural or grown quartz crystals. Crushed pieces of naturally abundant milky vein quartz are the raw material for growth. This process is complex, very energy intensive, requires specific controls, and can be dangerous. It cannot and should not be done at home. Researchers from R&D XTALS have nearly 64 years of combined experience with hydrothermal growth techniques for quartz and several other crystals, and have the requisite educational background in geology, mineralogy, and crystallography. They also have the necessary patience to constantly monitor the batches of growing crystals over a long time from a few months to a few years. However, this is just a blink of an eye compared to the eons-long time scale required for some natural crystal growth. The shiny faces on each crystal are built up, molecular layer by molecular layer, undisturbed, and in full darkness. They have not been cut, polished, or touched in any way to enhance their beauty after growth. Close inspection may reveal faint traces of the seed inside individual crystals, but all of the external faces are natural shapes with natural luster. Some crystals or its pieces are hydrothermally etched after growth to reveal structural peculiarities and defects, which are important for scientific, educational, and commercial purposes. Quartz is a hard mineral and cannot be scratched easily, but it is brittle. Many our specimens are placed in a clear plastic display case to prevent dust accumulation and protect against chipping and breaking. The crystals can be cleaned with warm soapy water and/or air duster indefinitely, and they are insoluble in practically all chemicals. Just avoid touching the very sharp edges and points. These quartz crystals will last for a long time to educate you and decorate your mineral display at home or at mineral show. Some sensitive people perceive positive energy coming from our quartz crystals (observed at many mineral shows). They use them for healing themselves and others; but everyone can find enjoyment and improved mood just by looking at these sparkling crystals and moving them in the light.You are bidding on one exquisite specimen of the lab-grown large quartz crystal Grieserntal-law twin cluster shown on the pictures and video. This beautiful twin is setting on the matrix comprised of many small and larger, spontaneously nucleated water clear quartz crystals. Starting seeds traces can be observed inside the twin individuals. Prismatic faces are covered with diagonal striations of the trapezoid faces indicating either right- or left-handed enantiomorphs. Diagonal striation is the evidence of lab grown quartz crystals.This specimen is securely placed into clear acrylic 8.2 x 13.2 cm inside Perky box on foam substrate with hot glue. The case prevents dust accumulation, protects against chipping and breaking for safe displaying, shipping, and handling. Similar quartz cluster assemblies are tested for one month vibration test in my car's trunk and successfully survived. Specimen measures are about 8.8 cm (W) x 6.3 cm (D) x 4.4 cm (H). Acrylic case outer dimensions are about 13.5 cm x 9.4 cm by 7.3 cm high. Assembly weighs about 236 grams / 8.3 ounces. Growth time for this specimen was about twelve months.The crystal grower's initials can be scribed by him on one crystal face with diamond scriber, if buyer wish it, just contact the seller with request at paying time.You can find an additional information about quartz crystals and their growth on the Wikipedia website with key words: quartz, crystal, single crystal, quartz twins, piezoelectricity, crystallization, hydrothermal synthesis, seed crystal, crystal growth, etc.Thank you for buying our specimens. Positive feedback would be very appreciated. All photographs and video are copyright of R&D XTALS, Inc. © 2005-2024, R&D XTALS, Inc. All rights reserved. The information in this material is educational and promotional in nature. PAYMENT METHODS ACCEPTED: PAYPAL AND OTHER FORMS OF PAYMENT VIA eBay. WE SHIP WORLDWIDE. WE SHIP DOMESTIC PACKAGES USING USPS, FedEx, UPS. WE WILL BE HAPPY TO COMBINE ALL ITEMS WON WITHIN A 7-DAY PERIOD AND WILL CHARGE ONLY ACTUAL COMBINED POSTAGE COSTS. JUST INFORM SELLER FOR MULTIPLE ITEMS PURCHASE. WE PROFESSIONALLY PACKAGE YOUR ITEMS USING THE HIGHEST STANDARDS FOR SAFE DELIVERY. INTERNATIONAL BUYERS PLEASE NOTE: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please inquire at your country's customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up. Do not be confused by them for additional shipping charges.WE MAKE EVERY ATTEMPT TO SHIP YOUR ITEMS WITHIN 24 HOURS OF PAYMENT, USUALLY SOONER. WE SHIP MONDAY THROUGH SATURDAY EVERY WEEK.WE ACCEPT NO RETURNS. PLEASE CONTACT US IF YOU HAVE ANY QUESTIONS. OUR BEST METHOD OF CONTACT IS VIA "CONTACT SELLER" EMAIL. WE RESPOND PROMPTLY. BID WITH CONFIDENCE. Add XTALSHOP to My favorite sellers.

Price: 149 USD

Location: Cleveland, Ohio

End Time: 2024-11-29T12:33:22.000Z

Shipping Cost: N/A USD

Product Images

QUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIOQUARTZ CRYSTAL GRIESERNTAL-LAW LARGE TWIN CLUSTER, LAB-GROWN IN CLEVELAND, OHIO

Item Specifics

All returns accepted: ReturnsNotAccepted

Country/Region of Manufacture: United States

Modified Item: No

Grown by hydrothermal process employed: from Mother Nature

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