Q:Chem help please!

Quartz will probably be found in most igneous and metamorphic rocks. Granite is a classic example of a rock with quartz in it. Search for images of granite. Quartz sandstone is another rock practically made entirely up of quartz. Rocks that have any of the mica's (biotite, muscovite, chlorite) will make a rock appear shiny. You can search for schist or phyllite images to see what I'm talking about.

Q:What is the opinion of the necessity of side splashes (quartz), on walls next to a bathroom sink?

Lead crystal is not crystal at all, it's just glass. Glass with a lot of lead in it, It's a very beautiful and durable form of glass, also heavier than regular glass. Quartz crystal is natural rock, actual crystals of quartz.

Q:This rock is a rusty yellow on the outside and white crystalline on the inside. I am just assuming it is quartz. I chipped off a little corner of it and checked on search engines to see if I could find a match, and the closest I could find was quartz. Is it rare? Is it valuable? 27 pounds!

Hornblende. Quartz is the most resistant. Generally darker/deeper minerals are not use to surface conditions and weather faster.

Q:I recently bought a pretty little necklace that was supposed to be quartz, but it is so clear and flawless white that I suspect it is actually glass. How can I tell?

Quartz belongs to the trigonal crystal system. The ideal crystal shape is a six-sided prism terminating with six-sided pyramids at each end. This will give you 14 vertices, 30 edges and 18 faces

Q:HiA guy on YouTube commented on a video about a Seiko watch, and said: Funny? thing is quartz is worthless. Automatic movement are the best thing on earth for watch lovers. What's the difference between quartz and auto. movement??best answer receive 10 points ;)thnx

(1) Rock crystal is a colorless, clear quartz in distinct crystals. (2) Milky quartz is white and almost opaque. Its whiteness is caused by minute inclusions of fluids in the solid quartz. (3) Smoky quartz is a yellow, brown, or nearly black transparent or semi-transparent variety. Its smoky appearance may be the result of exposure to radiation from radioactive materials in rocks. (4) Rose quartz commonly occurs in large masses without external crystal form. The rose or pink color is caused by small amounts of titanium in the mineral. (5) Amethyst is purple or violet quartz and is often found in distinct crystals. The impurity causing the purplish color is ferric iron. (6) Citrine is yellow transparent quartz. Fibrous crypto-crystalline quartz also occurs in many varieties. A general name for the different varieties is chalcedony: (7) Chalcedony is translucent, has a waxy appearance, and is often found filling or lining rock cavities. (8) Carnelian is red chalcedony. (9) Sard is reddish-brown chalcedony. (10) Chrysoprase is a light green variety of chalcedony. (11) Heliotrope, which is also known as bloodstone, is green with red spots. (12) Agate and onyx are banded forms of chalcedony. Granular crypto-crystalline varieties of quartz include flint, chert, and jasper: (13) Flint is a tough, dark material that can be broken into sharp-edged pieces. (14) Chert is similar to flint but generally has a lighter color. (15) Jasper is a granular crypto-crystalline quartz which is colored red, yellow, or brown from an included iron oxide. Rarest form of quartz = Amethyst is the rarest form of quartz and has the distinction of giving off a beautiful violet or purple color. (link below) Even further, amethyst as blue quartz is the absolute rarest form, defined by its use of a Rayleigh scattering effect to generate its color. (link below)

Q:Can a quartz watch running slow be sped up by keeping it in a warm (90 deg F) place when not worn?

Hi: Chemists use a technique known as hydrothermal crystallization: Some of the crystals which have been efficiently grown are emeralds, rubies, quartz, alexandrite and others. [1] The artificial xtls can be huge (a foot long?: check). Hope this helps. drp

Q:I found this clear looking rock outside and was wondering if its quartz. Its pretty hard and my nail didn't seem to scratch it. I don't know anything about rocks so hope these pics help.

Really big quartz crystals are rare and expensive to buy. Look at the first source below -- a quartz crystal less than a foot across is $880 -- and the price goes up exponentially with size. There are interestingly large gypsum crystals in Mexico (2nd source) -- 36 feet long but I don't think they are selling them and they would soon be corroded and dissolved by rain. Rocks are less expensive. Maybe you could stonescape -- look at third source. Check your local area for landscaping stone. They might have quartzite which is a rock of smallish quartz crystals and often beautiful or look at sandstones. A pallet of rock will run $300-$800 depending on the rock and where you are.

Q:I am doing a report and I need to know and FAST!

Many ways but they can be grouped into igneous methods and hydrothermal methods. Igneous -- that is rocks formed from a liquid. A liquid rock (typically at a temperature of 600-1000°C) crystallizes various minerals. In order to form quartz (which is SiO2), it must have a high silica content. Basalts (Iceland or Hawaii, for example) do not crystallize quartz as they have about 50% SiO2. But granitic liquids (say 70-75% SiO2) can crystallize quartz. So granites are quartz + feldspar + other minerals. Hydrothermal -- silica is not very soluble in water but if the pressure is high and the temperature is high, SiO2 dissolves. In fact, at 10,000 bars and 1000°C, quartz and water have complete mutual solubility. If a hot fluid rises and cools, the solubility of silica forms and quartz crystallizes. In this case, you get veins of quartz -- sometimes pure quartz which you can never get by igneous methods. Silica cements are similarly crystallized in sediments but they do not really become quartz until they are cooked. Beach sands are dominantly quartz but that is quartz that is derived from the sources described above but it is very hard and so hard to break down. Quartz-bearing sedimentary rocks are buried and can be heated and melted -- and make granites so round and round we go.

Q:I keep looking up sunstones on etsy and finding stuff with strawberry quartz instead.

Hi. okorder

Q:how would you differentiate btw fragments of clear polystyrene glass and quartz?

Normally all stone and gems shops should have it, there must be one near you where you could find some quarts. Most stone and gem shops i know of are in malls.look in your nearest mall.