Dense irregular connective tissue. Dense irregular connective tissue has fibers that are not arranged in parallel bundles as in dense regular connective tissue. Substances formed[edit] This tissue comprises a large portion of the dermis. This type of tissue is also in the protective white layer of the eyeball and in the deeper skin layers.
Definition of VERMICULITE. : any of various micaceous minerals that are hydrous silicates resulting usually from expansion of the granules of mica at high temperatures to give a lightweight highly water-absorbent material.
One such new product that has trace amounts of asbestos is vermiculite, which is used to enhance soil retention. Vermiculite a natural deposit present in the soil. It is used a lot in commercial and hobby gardening.Vermiculite is formed from a mineral called biotite and unfortunately this mineral is always found close to another mineral deposit known as diopside. Diopside is the mineral that turns into asbestos after being subjected to natural aging and weathering processes.f you happen to get vermiculite with residual dust, you should not use it for organic gardening as it will contain EPA regulated amount of asbestos, which is less than 1 percent and even this amount is still very hazardous to human health. More Articles 1  : Benefits Of Manures In Organic Gardening.