ERTH 114 Earth Materials
Quiz 5 Preparation
Give the chemical compositions of the following minerals:
orthoamphibole (Mg,Fe)7Si8O22(OH)2
tremolite Ca2Mg5Si8O22(OH)2
actinolite Ca2Fe5Si8O22(OH)2
glaucophane Na amphibole
hornblende Ca2(Mg,Fe,Al)5(Al,Si)8O22(OH)8
staurolite Mg Fe Al hydrous silicate
epidote Ca Fe Al hydrous silicate
lawsonite Ca Al hydrous silicate
Tourmaline Mg Fe Al Li B hydrous ring silicate