$20.00 including tax + shipping
Measurement of Reflectance Spectra From Your Gems/Minerals!
How do we know the difference between amethyst and citrine? They are both quartz crystals. However amethyst is purple while citrine is yellowish.
Wavelength review! micro-meters or microns are 1000 times longer than nanometers! 0.7 microns = 700 nanometers
ACS Engineering & Safety will enable you to purchase a measurement of the spectra of your gem/mineral! FAQ: We will NOT be able to confirm that it was correctly identified.
For example, here is a sample of peridot that we collected with the equipment we will be using to observe your new purchases. And while it is definitely yellowish-green, notice how similar & different it is from the USGS’s sample of forsterite.