WebIf a scratch was produced, there will be a visible groove. If marks wipe away then a scratch was not produced. Check for the scratch with a hand lens. Some hard materials are also very brittle. If one of your specimens … WebWhat are the possible values for hardness that could be assigned to talc and gypsum? Talc- 1, Gypsum- 2. ... If you find a mineral and you can scratch it with your fingernail, it must have a hardness of; Less than 3 because ur fingernail's hardness if 2.5. True or false/ You can identify a mineral by its color and nothing else. False.

Mineral Identification Tests - Council Rock School District

WebNov 12, 2016 · The mineral t hat can easily be scratched by a fingernail is talc. This mineral also has a greasy feel. The color it possesses is usually white, gray or colorless. … Webthe softest mineral is Talc, and its a 1 on the mohs scale. ... You may even try preparing the dessert, and taking pictures of your final product. Create a short blog entry with facts about the dessert. Verified answer. biology. A scientist digs for fossils in the dry, dusty land in the state of Wyoming. She finds a fossil of fern leaves. targeted binary type

Solved Which of the following minerals can be scratched …

WebA fingernail will scratch calcite but not Gypsum?B. A steel file has a hardness of about 7.5.C. Calcite will be scratched by a Copper penny.D. ... What can you conclude about this mineral’s hardness? Answer: If it leaves a scratch, the mineral is softer than talc. If it doesn't, the mineral is harder than talc. Continue doing this with the ... WebYou encounter a clear mineral in a vein within a rock, which your instructor tells you is either quartz, calcite, or gypsum. You can scratch it with your pocketknife, but not your fingernail. Which is it? a. gypsum; b. calcite; c. quartz; d. can't tell from the information; All minerals have cleavage. a. true; b. false WebAudio Transcript. Ponderosa Pine (Pinus ponderosa): 1. Ponderosa pines are one of the more commonly seen tree species at Scotts Bluff National Monument. Also known as Western Yellow Pine, ponderosas can grow up to 130 feet tall. As you look at the pinderosa pines on the summit of Scotts Bluff, it's obvious that the ones growing on the bluff do ... targeted azure ad join