Specifying a quartz crystal for a VCXO Avoltagecontrolled crystal oscillator's (VCXO) output ... 2 ppm maximum per year thereafter. Motional Capacitance, C1: To calculate the motional capaci ... calculate a value of C1 Figure 5. Crystal's responses. 34 August 2004

Most "Blue Quartz" is clear Rock Crystal irradiated with gold to from a deep sky blue color. Blue Quartz may also refer to a dull grayishblue Quartz in massive form with Crocidolite inclusions. Tourmalinated Quartz Colorless Quartz with Tourmaline inclusions, often as thin long black crystals, is known as "Tourmalinated Quartz". 's Eye Quartz

Check with crystal replacement sites or companies to establish the value of your crystal. Once you have identified the manufacturer or the pattern, you can check to see what it would cost for a replacement piece, which also lets you know the piece's overall value.

Smoky quartz is a brown gem that ranges in color from yellowish brown to a brown so dark that it appears to be black. It is popular in men's jewelry. ... Smoky Quartz Crystals: ... Because smoky quartz has a low price and large pieces are easily obtained, it is a favorite practice material of people who are learning to facet. ...

Price per carat from: to: Get accurate price : ... which lowers the gemstone's value. This tint may be removed by controlled heating, which usually gives the gemstone a more bluish appearance. ... present in the quartz crystal. Heating the quartz causes a reduction in the iron impurities, thus diminishing the violetpurple color ...

Electronics Tutorial about Quartz Crystal Oscillator including Harmonic, Overtone, Pierce Oscillator and Crystal Quartz Oscillator Circuits ... These two capacitors determine the value of the crystals load capacitance. ... PIC or microcontroller having a clock speed of 1MHz means that it can process data internally one million times per second ...

Titanium Coated Series Aura Crystal Cluster Rainbow Titanium Crystal Cluster Aura Quartz Crystal Titanium Aura is quartz that is permanentl fusing titanium crystals with heat and vacuum to quartz to give it its gorgeous rainbow coloring. Genuine from Brazil and Uruguay Wholesale Prices Below

On average, the cost for quartz countertops without installation fees included is about 75 per square foot. Although the price varies by brand and manufacturer, here are some of the average costs based on quality: Lowquality quartz: 50 to 60 per square foot. Midquality quartz: 60 to 70 per square foot.

.1" to .5" ClearGem HERKIMER DIAMOND Crystals 45 per Ounce Over for sale. ... clear crystal of Herkimer diamond quartz from the Hickory Hill diggings in New York..... Add to Cart. ... " Fat Head SCEPTERED HERKIMER DIAMOND on Black Step Treasure Mtn NY for sale.

5 OUNCE LOT of 13 Polished Stones Quartz Crystals 5 Ounce Lot of 13 Polished Stones Quartz Crystals.

More Jewelry Gemstones Crystals. Regular Price Order NOW limited supply at this special price of ! SPECIAL PRICE Only Extra Special Discount Price Regular Price Order NOW limited supply at this special price of ! SPECIAL PRICE Only

Aug 01, 2007· Answers. If they are say 75 pounds and a cluster of them they are worth closer to 100. If they are perfect points, etc. they are worth more usually. You won't get right but you might check how they feel as a form of healing energy. Quartz crystals are very good at this. A good book is The Crystal Bible by Judy Hall.

Having a piece of Black Tourmaline in your pocket or on a desk is highly recommended for everyone! Items 1 to 24 of 33 total Sort By Name Price New Biggest Saving Best Sellers Most Viewed

Gold And Quartz Specimens. This page is dedicated to the gold that's still attached to quartz, or a host rock. This type of gold is highly desired in the mineral collecting community. Gold/Quartz specimens are in a completely different league of their own.

For some gemstone varieties, such as quartz, the price per carat is fairly constant as the weight of the stone increases. But in the case of many rarer gems, price does not increase in a linear fashion as the weight increases. Indeed, for some gems, such as diamonds, the price per carat can increase exponentially as the gem size increases ...