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What is a glassy rock?
Glassy rocks are rocks that have cooled and solidified quickly, without forming crystals. This rapid cooling prevents mineral crystals from growing, resulting in a smooth and glass-like texture. Obsidian and pumice are examples of glassy rocks.
Tiny hard needles of silica or calcium carbonate that make up the skeleton of some sponges?
Spicules are tiny hard needles made of silica or calcium carbonate that provide structural support to the body of certain sponges. These spicules can vary in shape and size depending on the species of sponge and are often used in taxonomy to classify sponges.
What does sulfur's texture feel like?
Sulfur usually has a soft, crumbly texture similar to that of yellow chalk or powder. It is also commonly found in its crystalline form, which can have a smooth, glassy texture.
Is Silicon hard or soft?
Silicon is a hard and brittle solid at room temperature. It is a metalloid with properties that make it a valuable material in electronics and various industries.
What is a very hard sedimentary rock that often forms inside limestone?
A hard sedimentary rock that forms inside limestone is called chert. It is composed of microcrystalline quartz and often forms nodules or layers within limestone due to the replacement of calcium carbonate by silica-rich fluids.
What is the shell of the radiolarians made of?
The shell of radiolarians is made of silica (silicon dioxide), which is a hard and glassy substance. These intricate and delicate skeletons play a crucial role in the protection and support of the organism.
What is a hard colorful mineral that a brilliant or glassy luster?
a gemstone
What is the constituents of hard glass?
the constituents of hard glass is potassium carbonate , limestone and silica
Why is silica gel not edible?
Silica gel is not edible because it is hard and tough. It also has other chemicals added to it that should not be eaten. The silica gel itself is not toxic.
What does flint?
A hard gray rock consiting of nearly pure silica.
Is glass an element or a cpompound?
Glass is a mixture, not an element or compound. It is made by melting together a combination of materials such as silica, soda ash, and limestone, which are then cooled to form a hard, transparent material.
What does homeopathy treat with silica?
In homeopathy, silica is often used to treat symptoms of chronic diseases where there is general weakness and a lack of either physical or emotional strength. The rocks silica comes from are hard and compact.
What is the glass transition temperatures of Nylon 66?
The glass transition temperature of Nylon 66 is typically around 50-60°C. This is the temperature at which the material transitions from a hard, glassy state to a softer, rubbery state.
What are the physical properties of silica?
its transparenta solidpoisonous if eatena kind of rockits hard
Is quartz made out of plastic?
Quartz is hard mineral consisting of silica. It is not plastic.
What is the reaction between silica and carbon monoxide?
The reaction between silica and carbon monoxide typically results in the formation of silicon carbide (SiC) and carbon dioxide. This reaction occurs at high temperatures in the presence of a catalyst. Silicon carbide is a hard and high-performance ceramic material that is commonly used in various industrial applications.
Why don't egg's dissolve in water?
an egg's shell doesn't dissolve in water because the shell is to hard to dissolve in non-acid liquids.
