Silky is the luster of many yellow, dark orange, or brown minerals with moderately high refractive indices - honey like, but not necessarily the same color.

PHYSICAL GEOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	TRUE
B	FALSE
C	Either A or B
D	None of the above

Explanation:

Detailed explanation-1: -Resinous-This is the luster of many yellow, dark orange, or brown minerals with moderately high refractive indices-honey like, but not necessarily the same color.

Detailed explanation-2: -Silky minerals have a parallel arrangement of extremely fine fibres, giving them a lustre reminiscent of silk. Examples include asbestos, ulexite and the satin spar variety of gypsum.

Detailed explanation-3: -Luster is the property of minerals that describes how light is reflected. Metallic, waxy, vitreous, silky, pearly, and dull are all types of luster.

Detailed explanation-4: -Gold, silver, and copper have metallic luster. Other minerals have a metallic luster as well. Minerals with non-metallic luster can be divided into groups of minerals with earthy, waxy, vitreous (glassy), adamantine (diamond-like), resinous (like resin), pearly, silky, or dull luster.

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