What's the difference between earthy and gangue?

Earthy

Definition:

(a.) Consisting of, or resembling, earth; terrene; earthlike; as, earthy matter.
(a.) Of or pertaining to the earth or to, this world; earthly; terrestrial; carnal.
(a.) Gross; low; unrefined.
(a.) Without luster, or dull and roughish to the touch; as, an earthy fracture.

Example Sentences:

(1) Once he gets that power, he starts relishing that side of his personality.” Claflin is an earthy, unassuming sort; even acting hasn’t given him airs and graces.
(2) Despite its rich, earthy, nutty flavour, the taste is very delicate, and thus pairs really well with a sharp citrus reduction.
(3) Mammies are never sexual, poorly educated, and full of earthy common sense.
(4) It was visually stunning, brilliantly performed, moving, funny, political, earthy and broke the fourth wall in the totally Scottish comedia del arte tradition.
(5) Her Sophie Brzeska in Ken Russell's Savage Messiah was violently earthy, sexual: all the things a Meissen porcelain figure shouldn't be able to be."
(6) Joyce clearly left his mark on Brenton – you can sense it in the earthy, demotic language of his early plays – but other influences were less helpful.
(7) And his style is less free-form than Bill Clinton, who could display his earthiness and expertise in the same speech.
(8) Since the late 1970s, the English artist Linder has sculpted – or more accurately, in light of her signature photomontages, scalpelled into being – a persona and a body of work that are discreet as well as scandalous, earthy and visionary.
(9) GB Burlotto Barolo Monvigliero, Piedmont, Italy 2008 (£28, The Wine Society ) This has the classic barolo paradox of power (14.5% alcohol) and ethereal fragrance (rose floral and subtle earthiness), but there's a ripeness and generosity of fruit here that you don't always find in nebbiolo at this age: a treat for wild mushroom risotto or pulse-based stews.
(10) Since then, he has found himself lauded as the more earthy counterweight to his mentor and writing partner Abbas Kiarostami.He plays quiet Georges Braque to his friend's more high-profile Picasso.
(11) This can be seen symbolically in pictures as a contrast between light with an upward trend towards heaven and darkness as an earthy mass with a downward tendency.
(12) And it continues today, the discourse and the amiable discord, by turns legalistic, linguistic, poetic, artistic, metaphysical, practical, transcendental, earthy, comedic.
(13) Bay leaves aren't a usual addition to a dessert, but their gently savoury aromatics really do work well in a dish which might otherwise run the risk of being over sweet – plus they're a great partner for the earthy blackcurrants.
(14) Even the most rickety-looking outfit will be doling out little bites of perfection: El Taco Yucateo , for instance, where we have panuchos as brightly coloured as a Keith Haring painting: yellow taco, chicken, bright pink cebollas curtidas (pickled onion), green avocado, earthy black beans.
(15) At one stage Klopp joked with Martin Ainstein, an Argentinian journalist with the deep, earthy voice of a Hollywood announcer.
(16) Its decor – a lifesize cardboard Sid Vicious, a motorbike in the eves, a skeleton tangled-up in barbed-wire in the cobbled beer garden – should give you a feel for this earthy, hard-drinking joint.
(17) A light red such as beaujolais or generic côtes du Rhône or a richer off-dry white such as a pinot gris from Alsace or New Zealand works better with the deeper, sweeter flavours that come from a tray of caramelised roast vegetables, while the meaty, earthy characters of slow-cooked vegetable stews with pulses are happiest with the same kind of robust reds (Aussie shiraz, Argentine malbec) you'd have with red meat.
(18) There are swirls of purees and jus but at its centre is a hunk of animal; one of the most bloody and intensely earthy of animals.
(19) The concrete building – which was cast on the desert floor in panels and hauled up into place, giving it a gnarled, earthy texture – curves around the theatre’s stepped seating, forming a two-storey crescent (still awaiting its planned third floor).
(20) PBDS from five patients were morphologically fragile and "earthy" with alternating light and dark brown pigment layers with no evidence of a distinct central nucleus that may have been reminiscent of a different structure.